Crx Manifest

Manifest V3 security architect

CRX Security: Permission & Manifest V3 Architect

Ship a least-privilege manifest.json for Chrome extensions by selecting only the capabilities your product truly needs, with MV3-ready fields reviewers can understand quickly.

Open the manifest architect Read the implementation guide

Least-privilege manifest builder

Select permissions and host access patterns that match your feature set. The output is structured Manifest V3 JSON with separated permissions, optional host access, and background configuration you can paste into your extension root.

Permissions (choose only what you need)

Ready

Review output with your security checklist before publishing. If you request cookies or host access, ensure your privacy policy, permission justification, and in-product disclosures describe the behavior precisely. Manifest correctness does not replace safe coding practices.

Frequently asked questions

Straight answers about least-privilege manifests, Manifest V3 realities, and what reviewers look for when permissions do not match the story your extension tells in the UI.

Why Use CRX Security: Permission & Manifest V3 Architect?

Crx Manifest turns permission selection into a structured workflow so your manifest reads like a security story instead of a grab bag of APIs copied from outdated tutorials.

Speed

You move from idea to paste-ready Manifest V3 JSON in minutes because the architect groups permissions by intent and pre-wires background and action fields that match how modern extensions are actually structured. Instead of hunting through scattered documentation pages, you select capabilities, tighten host patterns, and export a formatted manifest you can drop beside your service worker and begin wiring real features immediately. That velocity matters when you are iterating on a submission timeline and need repeatable outputs across staging builds.

Security

Security improves when your declared scope shrinks to what the code can justify, because reviewers and automated checks both map capabilities back to declared permissions and host access. Crx Manifest nudges you away from accidental combinations like cookies without explicit origins, and it helps you separate required host access from optional flows that should be gated behind user consent. The result is a manifest that matches your threat model instead of inheriting defaults from sample projects that were never meant for production.

Quality

Quality shows up in consistent field ordering, valid MV3 keys, and JSON that is easy to diff in code review. Teams ship fewer broken builds when the manifest is generated from the same checklist every time rather than hand edited under pressure. The architect also reinforces naming discipline for the extension title and action label so your store listing and in-browser surfaces feel coherent, which reduces last minute edits that accidentally reintroduce risky permissions.

SEO

SEO for extensions is not magic keywords. It is clarity. When your landing page explains permissions with plain language that mirrors the manifest, search engines and users both get a consistent narrative about what the tool does. Crx Manifest helps you describe capabilities precisely, which supports trustworthy pages that rank because they answer real queries about Manifest V3 migration, permission minimization, and store compliance rather than recycling vague marketing phrases.

Who Is This For?

The architect is built for builders who need a reviewer-friendly manifest without surrendering engineering rigor.

Bloggers

Technical bloggers use Crx Manifest when they ship companion extensions for readers and need a manifest that matches the tutorial narrative. The tool helps you keep permissions aligned with the article so you are not accidentally demonstrating broad host access while claiming a lightweight workflow. It also gives you clean JSON screenshots and copy blocks that stay consistent across updates when Chrome policy language shifts.

Developers

Developers use the architect during refactors from Manifest V2 patterns to MV3 service workers and declarative network tooling. You can prototype permission sets for each feature branch, compare outputs, and keep your repository history readable. It is especially helpful when multiple contributors touch the manifest and you want a single generator that encodes team conventions for background workers and optional host access.

Digital Marketers

Digital marketers coordinate launches where the extension is part of a funnel and the store listing must align with brand promises. Crx Manifest makes it easier to translate a campaign into a minimal permission footprint and to document why each permission exists for compliance stakeholders. That reduces back and forth between marketing copy and engineering reality before submission.

The ultimate guide to least-privilege Manifest V3 design

Estimated reading time: nine minutes. Last updated perspective for extension teams shipping in 2026.

What this tool is

CRX Security: Permission & Manifest V3 Architect is a structured generator for Chrome extension manifests that emphasizes deliberate capability selection. Instead of starting from a bloated sample, you choose permissions tied to concrete product behavior, define host patterns with narrow origins, and export JSON aligned with Manifest V3 conventions including background service workers and action metadata. The output is meant to be read by humans during review, diffed in version control, and paired with a privacy narrative that explains why each permission exists. The architect does not execute code in your extension directory. It helps you express intent in the manifest layer, which is the first contract between your software and the browser platform.

In practical terms, you enter identifying metadata like name and version, select capabilities such as tabs, storage, cookies, scripting, alarms, notifications, context menus, declarativeNetRequest, and related MV3 options, then decide whether host access belongs in required or optional permission buckets. The tool formats the result as readable JSON so you can paste it into manifest.json and continue building your service worker, content scripts, and declarative rule files with fewer surprises.

Why it matters

Manifest design matters because it is the fastest signal of how much access your extension expects across user devices and web sessions. Reviewers evaluate whether requested capabilities match the user experience, whether host patterns are broader than necessary, and whether sensitive APIs are paired with disclosures that users can understand. When the manifest is sloppy, teams waste cycles rewriting store listings, rebuilding onboarding, and removing accidental permissions that should never have shipped. A least-privilege baseline also reduces operational risk if an extension component is compromised, because the attacker inherits only the privileges you declared.

Manifest V3 raises the bar by pushing developers toward service workers, declarative network tooling, and explicit host permissions rather than implicit broad access. That shift is healthy for users, but it requires discipline. The architect helps you adopt that discipline early, before you have thousands of lines of code entangled with a permission you could have dropped at the start.

How to use it effectively

Start by listing user stories and map each story to the smallest API surface that can support it. If a feature only needs to act on the active tab after a click, activeTab may replace a permanent tabs permission. If you need cross-session settings, storage is plausible, but justify why sync is required before you reach for synchronized storage patterns. If you must read cookies for specific origins, pair the cookies permission with explicit host patterns and document retention in your privacy policy. Use the architect to generate multiple candidate manifests for different feature branches and compare JSON side by side.

When you configure host access, prefer site-specific origins over global wildcards. If access is optional until the user connects an account or enables a mode, place patterns in optional_host_permissions and gate activation behind informed consent inside the extension. Keep declarativeNetRequest rules in separate files as your project grows so reviewers can audit what network transformations you perform without reading your entire codebase. Finally, align your action title with the product name users see in the toolbar so support tickets and store reviews reference the same language.

Common mistakes to avoid

A frequent mistake is copying permissions from an unrelated open source extension whose threat model differs from yours. Another is declaring host access for analytics or convenience when declarative approaches or on-demand activation would suffice. Teams also stumble by omitting service worker paths or mismatching background configuration with what the package actually ships, which creates confusing errors during load and raises questions during review. Some developers underestimate how much explanation cookies require when third-party sites are involved.

Avoid treating manifest editing as a last-minute step. Build it alongside your architecture decisions, regenerate JSON when permissions shift, and keep reviewer notes synchronized with the manifest you submit. Crx Manifest exists to make that iteration loop cheaper, but the final responsibility remains with you to ship code that honors the contract encoded in manifest.json.

How it works

A four step workflow that mirrors how experienced teams translate product intent into MV3 manifests.

1

Define the extension identity

Enter the name, version, and description so the manifest reflects what users see in the store and what your package metadata validates against.

2

Select only needed permissions

Toggle capabilities like tabs, storage, cookies, scripting, alarms, notifications, context menus, and declarativeNetRequest so each permission maps to a shipped feature.

3

Tighten host access

Add explicit origin patterns and decide whether they belong in host_permissions or optional_host_permissions based on user opt-in requirements.

4

Generate and ship JSON

Export Manifest V3 JSON with background and action sections when enabled, then paste into your repository and pair it with your service worker implementation.

About Crx Manifest

Crx Manifest exists to help teams ship Chrome extensions that look as disciplined on paper as they claim in marketing. We focus on the manifest layer because it is where platform expectations meet user trust. When permissions are clear, your reviewers, customers, and security partners can reason about risk without reverse engineering your entire repository.

If you want the full story behind our mission, values, and how we think about free tools, visit our About page. We keep contact channels open because extension developers often need quick clarity when policies evolve.

Crx Manifest blog

Manifest V3 security notes for shipping teams

Long form articles that connect permission strategy to practical extension development. Every post ends with a direct path back to the architect so you can generate JSON immediately.

What is CRX Security: Permission & Manifest V3 Architect and why every extension developer needs it

Meta: A practical introduction to least-privilege manifest design for MV3, written for developers who want reviewer-ready JSON without guesswork.

Estimated read time: eleven minutes

The manifest is a contract, not boilerplate

If you treat manifest.json like a file you copy once and forget, you inherit someone else’s threat model. CRX Security: Permission & Manifest V3 Architect reframes the manifest as a contract between your extension, the browser, and the user. It helps you declare only what you need, which is the same mindset security reviewers want to see when they evaluate whether your capabilities match your UI and your privacy disclosures.

When you generate JSON with Crx Manifest, you are also creating an internal checklist. Each permission you select should map to a user story that you can explain in plain language. That alignment matters because store review increasingly looks for coherence between declared capabilities, runtime behavior, and what you tell users in onboarding screens. A lean manifest is easier to defend because it reduces the number of questions a reviewer must ask about data flows and host access.

Why extension developers feel MV3 pressure

Manifest V3 is not just a version bump. It changes how background logic runs, how network modifications are expressed, and how host access must be justified. Developers feel pressure because the ecosystem moved quickly and older samples still float around forums. A structured architect reduces thrash by aligning output to modern keys and separating permissions from host patterns in a way that matches how Chrome expects you to think about risk.

The pressure also shows up in cross team communication. Product wants a feature, engineering implements it, and the manifest becomes a last minute edit. Crx Manifest pushes permission decisions earlier in the cycle by making the JSON output immediate and repeatable. When teams see the manifest as living configuration rather than static boilerplate, they plan migrations with fewer surprises and fewer emergency removals of risky APIs.

What Crx Manifest adds to your workflow

Instead of hand editing JSON while you are tired, you select capabilities tied to features you are actually shipping. You can toggle declarativeNetRequest options, decide whether host access is optional, and keep action titles aligned with your brand. The generator outputs readable JSON that teammates can review in a pull request, which matters when multiple developers touch the same extension.

Another practical benefit is consistency across environments. When your staging build and production build should differ only by host allowlists or feature flags, you can keep the manifest generator inputs under version control as notes or small scripts. Even if you do not automate everything, having a canonical process prevents the silent drift that happens when each developer edits JSON locally without a shared checklist.

How teams use it before submission

Teams typically generate a baseline manifest early, then regenerate whenever a feature branch adds a new API surface. That habit prevents the classic failure mode where code calls an API but the manifest never gained permission, or worse, where the manifest still lists permissions from a prototype you no longer ship. Pair the JSON with a short internal note that maps each permission to a user story, and your store submission package becomes easier to defend.

Before you upload a package, compare your generated manifest against your network calls, storage usage, and any cookie access. If something appears in code but not in the manifest, fix it before a reviewer finds it. If something appears in the manifest but not in code, remove it and regenerate so your declared scope stays honest.

Closing recommendation

Start from least privilege, add permissions only when a feature proves the need, and treat host patterns as sensitive data because they define where your extension can act on the web. When you are ready to generate a fresh manifest, return to Crx Manifest and walk through the architect with your final feature list in mind.

Open the manifest architect on Home and generate JSON now

CRX Security: Permission & Manifest V3 Architect vs manual alternatives — which saves more time?

Meta: Compare structured manifest generation against hand editing, templates, and copy paste workflows for MV3 projects.

Estimated read time: twelve minutes

Manual editing hides mistakes in plain sight

Hand written JSON fails in subtle ways. A trailing comma, a mismatched key, or a permission name from an outdated list can waste hours. Manual editing also encourages permission creep because it is easier to leave an old line in place than to audit it. CRX Security: Permission & Manifest V3 Architect reduces those mistakes by generating consistent structure from explicit choices rather than freeform typing.

Manual workflows also make reviews slower. When a teammate sees a diff full of indentation changes mixed with permission changes, they may skim and miss a risky addition. Generated JSON tends to be stable in formatting, so diffs highlight real capability changes. That clarity saves time in security review and release management, especially when you ship frequent patches.

Templates are fast until your product diverges

Templates are useful on day one and dangerous on day thirty because they encode someone else’s assumptions. When your extension diverges, you begin patching the template piecemeal. The architect approach is different because it regenerates the whole manifest from current inputs, which keeps the file coherent as your feature set evolves.

Templates also hide context. A template might include permissions for analytics, context menus, and alarms because the original author needed them. Your product might need none of those. Regenerating from explicit toggles forces a decision rather than inheriting silent defaults that increase review surface area.

Spreadsheets and docs do not execute policy

Some teams track permissions in a spreadsheet. That can help planning, but spreadsheets do not validate JSON and they drift from the repository. A generator ties planning to output. You still can keep documentation, yet your source of truth becomes the manifest you actually ship.

Documentation remains valuable for explaining why a permission exists, but it should follow the manifest rather than lead it. When documentation and JSON disagree, reviewers trust the file that ships inside the extension package. Crx Manifest helps you keep that file accurate so your written policies have a concrete technical anchor.

Where the architect saves the most time

The biggest time savings show up during refactors, not hello world demos. When you migrate features between branches, regenerate manifests for each branch and compare outputs. You will catch accidental permission differences quickly. Another savings area is onboarding: new contributors can use the same tool instead of learning your team folklore about which keys you prefer.

Refactors also expose hidden coupling. If removing a feature still leaves a permission behind, you might have leftover code paths or unused modules. The manifest diff becomes a prompt to clean the repository, which improves maintainability beyond the Chrome Web Store submission.

When manual work still matters

You will still edit other files manually, like declarativeNetRequest rule resources and content scripts. The architect focuses on manifest.json itself. That boundary is intentional because it keeps the generator trustworthy and predictable. Use the architect to produce a solid baseline, then implement the rest of your extension with the same discipline.

Finally, remember that time saved in typing is only valuable if you reinvest it in testing. Generate the manifest, then exercise your extension on a clean profile with realistic sites. Confirm that optional permissions behave as described and that you are not requesting hosts you never touch.

Jump to Home and run the CRX Security architect on your next baseline

How to use CRX Security: Permission & Manifest V3 Architect to improve your SEO in 2026

Meta: Connect transparent permission explanations and structured technical content to stronger relevance signals for extension landing pages.

Estimated read time: twelve minutes

SEO rewards clarity and specificity

Search engines increasingly reward pages that answer specific questions with coherent structure. For extensions, people search for exact pain points like Manifest V3 migration, declarativeNetRequest examples, and permission minimization. If your landing page uses vague language while your manifest requests broad access, users bounce and signals weaken. Crx Manifest helps you align technical reality with what you publish.

In 2026, helpful content also means showing the work. Screenshots of well structured JSON, short explanations of host patterns, and honest discussion of tradeoffs outperform generic marketing copy. When your page teaches, it earns links and repeat visits, which reinforces relevance over time.

Turn manifest decisions into content outlines

Each permission you select should correspond to a section of your public documentation. If you request storage, publish how data is stored, for how long, and how users can delete it. If you request host access, explain the exact workflows that touch those hosts. The architect makes the permission list explicit, which doubles as a checklist for SEO-friendly technical writing.

You can extend that approach into FAQs that mirror real support tickets. If users repeatedly ask why a permission exists, answer it publicly with the same language you would give a reviewer. That reduces duplicate support load and strengthens topical coverage for long tail searches.

Use structured headings that match real queries

In 2026, long tail queries remain important for developer tools. Phrases like least privilege manifest json and optional host permissions chrome extension reflect real searches. Write headings that mirror those questions and answer them directly. Avoid keyword stuffing; instead, show working JSON and explain tradeoffs. The CRX Security architect supports that approach by giving you clean JSON you can reference ethically in examples.

Update pages when Chrome publishes new guidance. Freshness matters for developer topics because outdated posts mislead users and create support debt. A short changelog section on your site signals that you maintain the material and understand platform shifts.

Build trust signals that compound

Trust signals include consistent naming between your store listing, manifest name fields, and website. They also include accurate policy pages. When your site’s claims match the manifest, reviewers and users trust you more, and that trust often correlates with better engagement metrics. SEO is not separate from trust. It is a measurement of whether people believe your page is the best answer.

Measure what matters

Measure organic traffic to documentation sections, scroll depth on permission explanations, and conversions to installs. Improve pages that explain complex APIs clearly. Update examples when Chrome changes guidance. The architect helps you keep examples fresh because regenerating JSON takes minutes, not days.

Also track branded queries versus non branded queries. If people search for your extension name plus permissions, your technical pages should answer those queries directly with structured headings and concise definitions tied to your actual manifest.

Return to Home, open the tool section, and refresh your example manifest for 2026 content

Top 5 use cases for CRX Security: Permission & Manifest V3 Architect you haven't thought of

Meta: Uncommon but high value scenarios for regenerating MV3 manifests with explicit permission boundaries.

Estimated read time: thirteen minutes

Use case one: the security audit dry run

Before an external audit, generate a manifest that reflects only shipped features. Compare it to what is in your repository. Differences become a prioritized fix list. Auditors appreciate when the declared scope matches the codebase because it reduces exploratory uncertainty.

A dry run also helps internal security champions prepare questions for engineering leads. When the manifest lists host access, the security team can ask for network diagrams or data flow narratives that match those origins. When the manifest is minimal, the conversation stays focused on implementation quality rather than unnecessary capability.

Use case two: customer specific enterprise builds

Some teams ship slightly different extensions for enterprise customers with different host allowlists. Use the architect to produce one manifest per profile so you do not accidentally ship a broader allowlist to a customer who paid for a narrower scope. Keep each output under version control with a label that maps to a customer configuration.

Enterprise customers often ask for proof of least privilege. A generated manifest with explicit optional host permissions can support procurement reviews where security teams want to see how activation is gated. Pair the JSON with internal release notes that describe what each profile includes.

Use case three: training new hires without risking production files

New contributors can experiment with permission combinations in the architect and learn how JSON changes when they toggle capabilities. It is a low risk teaching tool because it encourages questions about why each permission exists. Pair exercises with reading Chrome’s permission documentation for deeper understanding.

Training modules can include exercises like build a read only workflow with activeTab only, then add storage for settings, then justify host access for a single domain. Each step produces JSON that learners can compare side by side.

Use case four: incident response after a compromised build pipeline

After an incident, you may need to rebuild trust quickly. Regenerate manifests from a known good permission intent and compare against published packages. If an unexpected permission appears, investigate immediately. The architect gives you a clean baseline to compare against suspicious artifacts.

Incident response also benefits from versioning discipline. If you know the manifest that belonged to release 2.3.1, you can compare it to a tampered 2.3.2 build and isolate changes. The architect makes it easier to reproduce older baselines if you saved inputs alongside tags.

Use case five: writing better reviewer notes

Reviewer notes should mirror the manifest. Generate JSON first, then write notes that walk line by line through permissions and host patterns. When your note matches the file, reviewers move faster. When your note contradicts the file, you catch the problem before submission.

Strong notes also explain user consent paths. If optional_host_permissions are involved, describe the UI state that triggers activation. If declarativeNetRequest is involved, summarize rule intent at a high level and point to the rules file location in your package.

Go to Home and generate a profile-specific manifest for your next release branch

Common mistakes when designing Chrome extension permissions — and how CRX Security: Permission & Manifest V3 Architect fixes them

Meta: Permission design pitfalls that trigger review friction, plus how structured generation keeps your manifest aligned with intent.

Estimated read time: twelve minutes

Mistake one: copying tabs when activeTab would do

Developers often request tabs because tutorials used it. That can grant broader access than a user initiated workflow requires. The architect encourages explicit selection so you reconsider whether activeTab matches user gestures. Smaller scope reduces risk and often improves reviewer confidence.

If you truly need persistent tab access for a dashboard or multi tab workflow, document why user gestures are insufficient. Reviewers look for proportionality between capability and feature depth.

Mistake two: broad host patterns for one domain

A single integration with one SaaS provider does not justify global patterns. Narrow your host list to the origins you truly call. If access is optional, use optional_host_permissions and gate activation. The architect helps you keep these distinctions explicit instead of lumping everything into one line you forgot to tighten.

Also consider scheme and path specificity. If you only need API endpoints under one path prefix, document that and avoid wildcards that cover unrelated pages.

Mistake three: cookies permission without a coherent data story

Cookies are sensitive. If your privacy policy does not explain why cookie access exists, you invite scrutiny. Generate the manifest, then update policy text until both match. Crx Manifest cannot write your legal pages, but it forces the permission choice into the open early.

If you must access cookies, ensure your onboarding states the purpose in everyday language and points users to controls for signing out or revoking access where possible.

Mistake four: mismatch between background worker and manifest

Teams rename files or remove service workers without updating the manifest. The architect includes a service worker path field so you can align filenames deliberately. That reduces load errors and makes your package look intentional.

If you ship a module based worker setup, keep the entry path stable and document your bundling strategy internally so the manifest always references the file Chrome actually loads.

Mistake five: treating optional access as an afterthought

Optional host permissions exist because many workflows should not activate until the user opts in. If you skip that design, you may over declare required access. The architect includes a toggle to route host patterns into optional_host_permissions when your product plan includes gating.

After you regenerate, run through your extension as a new user and confirm prompts appear at the right time. Optional access should feel intentional, not like a hidden prerequisite.

Open Home, scroll to the tool section, and regenerate a corrected manifest today

About Crx Manifest

We build focused utilities that help developers ship trustworthy browser extensions in a policy environment that keeps evolving.

Our mission

Our mission is to make extension security easier to practice than to postpone. Browser extensions sit in a sensitive position on user machines, often with access to browsing activity, site data, and user preferences. The manifest is the first layer of accountability because it tells the platform what your code is allowed to request. We believe that when teams can generate a clear least-privilege manifest quickly, they are more likely to iterate responsibly and less likely to ship accidental overreach copied from outdated samples.

We also believe tooling should respect your time. Developers are pulled between product deadlines, store policies, and security expectations. Crx Manifest focuses on a narrow problem space, Manifest V3 JSON for Chrome extensions, and tries to do that job with clarity rather than bloat. We want our users to leave with JSON they can defend in a pull request and explain to a reviewer without hand waving.

Finally, we care about accessibility of knowledge. Security guidance is too often trapped in long threads and fragmented documentation updates. We publish structured articles alongside the tool so beginners and senior engineers alike can find a path that matches their learning style.

What we build

Crx Manifest ships CRX Security: Permission & Manifest V3 Architect, a web-based generator that translates selected capabilities into Manifest V3 JSON. It is designed for extension developers, technical writers who produce tutorials, and teams that need repeatable baselines across branches. The tool emphasizes separation between permissions and host access, optional host permissions when access should be gated, and explicit background service worker configuration when your architecture includes a worker.

We also maintain educational content that connects manifest decisions to review expectations, privacy disclosures, and practical engineering tradeoffs. Our goal is not to promise outcomes we cannot control, but to improve the inputs teams use when they ship.

Our values

Privacy

Privacy is a design constraint, not a disclaimer paragraph. We encourage manifests that declare the minimum access required for user-visible value, and we urge teams to align public privacy language with technical behavior. We also aim to minimize data collection on our own site, described in our Privacy Policy, because trust is cumulative.

Speed

Speed matters when you are fixing a permission mistake before a deadline. The architect is built to produce paste-ready JSON quickly so you can return to building and testing the actual extension behavior. Fast iteration reduces the temptation to patch problems in prose when the fix belongs in code and configuration.

Quality

Quality means consistent output, readable formatting, and guidance that does not oversimplify security. We would rather tell you to narrow host patterns than pretend a manifest alone guarantees approval. Quality also means maintainable pages: we structure content so updates can be made responsibly when policies change.

Accessibility

Accessibility includes keyboard friendly navigation, responsive layouts, and language that avoids unnecessary jargon when plain words will do. Extensions serve diverse users, and the teams building them deserve interfaces that do not get in the way.

Our commitment to free tools

We provide free access to the manifest architect because baseline security tooling should not be locked behind paywalls. Free access helps independent developers, students, and small teams compete on quality rather than budget. If we monetize in the future, we will be transparent about what changes and why, and we will not trick users into confusing billing patterns.

Free does not mean careless. We still aim for professional standards in content accuracy, site performance, and responsible disclosures. If you spot an issue, contact us so we can correct it.

Contact and feedback

We welcome feedback about clarity, missing scenarios, and policy changes that affect Manifest V3 guidance. Email haithemhamtinee@gmail.com with a subject line that mentions Crx Manifest so we can route your message quickly.

Contact Crx Manifest

We read thoughtful messages and respond as quickly as we can during normal business rhythms.

Use this page when you need help understanding the manifest architect output, when you want to report a site issue, or when you have a partnership inquiry related to developer education. Please include enough detail that we can reproduce any technical problem without guessing.

Support email

haithemhamtinee@gmail.com

We typically respond within 24–48 hours.

What to include in your message

Include a clear subject line, a short description of your goal, and steps to reproduce any issue. If the problem is visual, attach a screenshot and mention your browser version. If you are asking about permissions, tell us what user facing feature requires access so we can reason about least privilege responsibly.

Business inquiries versus support requests

Support requests are for bugs, confusion about JSON output, or documentation corrections. Business inquiries include sponsorship questions, large team licensing if we introduce paid features later, and collaboration proposals. Mark business email subjects accordingly so they are not lost in general support volume.

Privacy when you contact us

Email is not a secure channel for highly sensitive secrets. Do not send passwords, private keys, or personal data unrelated to your question. If we need more information, we will ask. We use your message only to respond and improve the site unless a legal obligation requires otherwise, as described in our Privacy Policy.

Privacy Policy

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Introduction and who we are

This Privacy Policy explains how Crx Manifest handles information when you use our website and the CRX Security: Permission & Manifest V3 Architect tool. We want you to understand what may be collected, why it may be collected, and what choices you have. Crx Manifest is operated as a web publication and utility focused on Chrome extension Manifest V3 guidance. If you disagree with this policy, please stop using the site.

We describe practices at a level intended to be useful without overwhelming detail. Technology and integrations can change, so we may update this page when we add new services, change analytics configuration, or adjust advertising partners. When changes are material, we will revise the last updated date and, where appropriate, provide additional notice.

Nothing in this policy is intended to conflict with mandatory consumer privacy laws in your jurisdiction. Where local law grants you rights beyond what we list here, those rights still apply to the extent required.

Contact: haithemhamtinee@gmail.com

What data we collect

Tool inputs you type into the generator are processed in your browser to produce JSON output. We do not operate a logged account system inside this single page application as provided, and we do not intentionally require you to submit personal information to use the core generator. However, like most websites, our hosting environment and third party services may collect technical data such as IP addresses, device and browser metadata, and timestamps when you load pages or interact with embedded services.

If you email us, we receive your email address and whatever content you include. If you submit feedback that contains personal data, we treat it as correspondence rather than as something to publish.

Cookies and similar technologies may store identifiers or preferences. See the Cookies section for more detail.

How we use your data

We use information to operate the site, diagnose errors, understand aggregate usage patterns, improve content, respond to support email, comply with legal obligations, and protect against abuse. We do not sell your personal information as a product. Where third parties process data on our behalf, we rely on their policies and settings, described below.

Cookies and tracking technologies

We may use cookies for essential site operation, analytics, and advertising depending on configuration. Analytics helps us understand which articles are useful. Advertising may fund hosting and maintenance. You can control cookies through browser settings and through consent tools if present on the site.

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We may use Google Analytics to understand aggregated traffic and navigation patterns. Google Analytics uses cookies and may collect IP related data subject to Google’s settings and policies. We may use Google AdSense to display advertisements. AdSense may use cookies and similar technologies to personalize or measure ads, depending on consent and configuration. These services process data under their own terms and privacy disclosures.

You can learn more about how Google uses data in partner sites by reviewing Google’s policies and by using ad settings tools Google provides. We configure services to prioritize privacy where settings allow, such as IP anonymization in analytics when available and appropriate.

Your rights under GDPR

If GDPR applies to our processing of your personal data, you may have rights including access, rectification, erasure, restriction, objection, and data portability, subject to conditions and exceptions in the law. You may also lodge a complaint with a supervisory authority. To exercise rights, email us and describe your request clearly. We may need to verify identity before fulfilling certain requests.

Data retention

We retain information only as long as needed for the purposes described in this policy, including legal, accounting, and security needs. Server logs and analytics data may be retained for limited periods depending on provider defaults and our configuration. Email correspondence may be retained to track issues and improvements.

Children’s privacy

This site is not directed at children under 13, and we do not knowingly collect personal information from children under 13. If you believe a child provided personal information, contact us and we will take appropriate steps to delete it where required.

Changes to this policy

We may update this policy to reflect changes in practices, services, or legal requirements. Updates will be posted on this page with a revised last updated date when feasible.

Contact us

Questions about this Privacy Policy: haithemhamtinee@gmail.com

Terms of Service

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Acceptance of terms

By accessing or using Crx Manifest, you agree to these Terms of Service. If you do not agree, do not use the site. We may update these terms, and continued use after updates constitutes acceptance of the revised terms posted on this page.

If you are using the site on behalf of an organization, you represent that you have authority to bind that organization to these terms. If you do not have that authority, you must not use the site on behalf of the organization.

Description of service

Crx Manifest provides informational content and a browser-based tool that generates Manifest V3 JSON intended for Chrome extension development workflows. The service is provided as-is and may change, pause, or end at any time.

The tool output is a starting point. You must validate JSON against your project requirements, your security review process, and current Chrome extension documentation. We do not provide legal advice or guarantee compliance with third party policies.

Permitted use and restrictions

You may use the site for lawful purposes related to learning and building extensions. You may not attempt to disrupt the site, probe for vulnerabilities without authorization, scrape the site in ways that degrade service for others, or misuse generated JSON to misrepresent an extension’s behavior. You are responsible for your own compliance with Chrome Web Store policies, applicable laws, and third party rights.

Intellectual property

Site content, branding, and layout are protected by intellectual property laws except where third party rights apply. You may not copy large portions of the site for competing services without permission. You may use small excerpts for commentary where fair use or similar doctrines apply.

Disclaimers and no warranties

The tool generates JSON based on your inputs. We do not warrant that outputs are complete, error free, or suitable for any particular submission outcome. Store approval depends on many factors beyond manifest formatting. Technical information may become outdated as browser policies evolve.

Limitation of liability

To the maximum extent permitted by law, Crx Manifest and its operators are not liable for indirect, incidental, special, consequential, or punitive damages, or for loss of profits, data, or goodwill arising from your use of the site. Our total liability for any claim related to the site should not exceed the greater of zero dollars or the minimum amount enforceable under applicable law.

Cookie notice and GDPR compliance

We may use cookies and similar technologies as described in our Privacy Policy and Cookies Policy. Where required, we seek appropriate consent for non-essential cookies. GDPR rights are described in the Privacy Policy.

Links to third party sites

The site may link to third party resources. We are not responsible for third party content, practices, or policies. Review their terms and privacy notices before relying on them.

Modifications to the service

We may modify, suspend, or discontinue features to improve security, comply with law, or reduce operational burden. We will try to avoid unnecessary disruption, but we do not guarantee uninterrupted availability.

Governing law

These terms are governed by applicable law without regard to conflict of law principles, except where mandatory consumer protections require otherwise. Courts in appropriate jurisdictions may hear disputes as determined by law.

Contact

Legal questions: haithemhamtinee@gmail.com

Cookies Policy

Last updated:

What are cookies

Cookies are small text files stored on your device by websites you visit. They help sites remember preferences, measure usage, and support advertising in some configurations. Similar technologies include local storage, session storage, and pixels. This policy explains how we use cookies in connection with Crx Manifest.

Cookies can be first party when set by our domain or third party when set by embedded services. Third party cookies are governed by those providers’ policies as well as your browser controls.

How we use cookies

We use cookies to keep the site functional, to understand aggregated traffic, and to support advertising where enabled. Functional cookies may remember UI choices. Analytics cookies help us see which pages are useful. Advertising cookies may help deliver or measure ads.

We aim to avoid collecting more than we need for these purposes. If we introduce new categories of cookies, we will update this policy and consent experience as required by law.

Types of cookies we use

Cookie name Type Purpose Duration
cm_session Essential Maintains basic session stability for site navigation where applicable. Session
cm_prefs Essential Stores cookie consent choices when a consent banner is present. 12 months
_ga Analytics (Google Analytics) Distinguishes users and helps measure page views and engagement in aggregate. 24 months
_gid Analytics (Google Analytics) Supports daily aggregation of usage metrics. 24 hours
IDE Advertising (Google AdSense) Helps ad systems measure performance and deliver relevant ads depending on settings. 13 months

Exact cookie names may vary depending on implementation and third party updates. Use your browser’s developer tools to inspect cookies for the most current list.

Third party cookies

Third party cookies may be set by analytics or advertising providers when those services run on our pages. Those providers have their own policies and retention practices. We configure services to reduce unnecessary collection where possible, but you should review Google’s documentation for Google Analytics and Google AdSense for additional detail.

How to control cookies

Chrome

Open Settings, select Privacy and security, then Cookies and other site data. Choose your preferred blocking level, and review site-specific exceptions if needed.

Firefox

Open Settings, select Privacy & Security, then manage cookies and site data. You can delete cookies selectively or block third party cookies.

Safari

Open Settings or Preferences, select Privacy, then manage cookies and website data. Safari includes features that limit cross-site tracking depending on version.

Edge

Open Settings, select Cookies and site permissions, then Cookies and data stored. Adjust tracking prevention and delete stored cookies as needed.

Cookie consent

Where required, we present a consent mechanism for non-essential cookies. You may withdraw consent by clearing cookies and revisiting preferences, subject to browser limitations.

Contact

Questions about cookies: haithemhamtinee@gmail.com