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Extensions
Welcome Getting started
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3 Migrating to Manifest V3 Manifest V3 migration checklist
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
API Reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
Extensions
Welcome Getting started
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3 Migrating to Manifest V3 Manifest V3 migration checklist
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
API Reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics

Samples

Manifest V3 is launching soon! See the MV3 documentation for more information, and consider developing your extension in MV3.

Samples for Chrome Extensions are available on GitHub.

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