Firefox - Convert Chrome Extension To

Run your extension through web-ext lint and test in Firefox Nightly. For a detailed API compatibility matrix, refer to: Mozilla’s Chrome incompatibilities doc

| Strategy | Pros | Cons | |----------|------|------| | | Full control | Duplicate work | | Single codebase + polyfill | One source, runtime adaptation | Slightly larger bundle | | Build-time flag | Clean separation | Requires build system | convert chrome extension to firefox

Firefox uses the Promise-based browser namespace. Automated solution: Use the WebExtension Polyfill by Mozilla: Run your extension through web-ext lint and test

"browser_specific_settings": "gecko": "id": "your-extension@domain.com", "strict_min_version": "109.0" convert chrome extension to firefox

"background": "scripts": ["background.js"], "persistent": true