Extension Workshop

  • Extension Basics
    • Getting started
    • Mozilla Developer Network
  • Documentation Topics
    • Develop
      • Firefox Tools
      • User Experience
      • Firefox for Android
      • Port to Firefox
      • Test and debug
      Getting Started
      • Unique Firefox Capabilities
      • Firefox Workflow Overview
      • About the WebExtensions API
      Manifest V3
      • Manifest V3 migration guide
        • What is Manifest V3?
        • Manifest V3 changes
        • Migration checklist
      Cross-Browser Development
      • Browser Compatibility
        • Namespace
        • Asynchronous
        • API Coverage
        • Manifest keys
        • More information
      • Build cross-browser extensions
      Firefox Tools
      • Build an extension in 5 minutes
      • Browser Extension Development Tools
        • Boilerplating tools
        • Coding tools
        • Testing and debugging tools
        • Translation tools
        • Tools for Firefox for Android
      • Choosing a Firefox version for extension development
        • Firefox editions
        • Firefox version and their web extension development capabilities
      • Getting started with web-ext
        • Installation
        • Update
        • Using web-ext
        • Check your code
        • Test and debug
        • Package, sign, and publish
        • Use the configuration file
        • Advanced topics
        • See also
      • web-ext v8 command reference
        • What's new
        • Commands
        • web-ext build
        • web-ext docs
        • web-ext dump-config
        • web-ext lint
        • web-ext run
        • web-ext sign
        • Global options
        • Setting option environment variables
        • See also
      • web-ext v7 command reference
        • Commands
        • Global options
        • Setting option environment variables
        • See also
      • Web-ext Webpack plug-in
      • Browser API Polyfill
      • Extensions and the Add-on ID
        • Basic workflow with no add-on ID
        • When do you need an add-on ID?
      User Experience
      • Build a secure extension
      • Request the right permissions
        • Introduction
        • Advised permissions
        • Avoid unnecessary permissions
        • Request permissions at runtime
        • Add information about permissions to your extensions AMO page
      • Best practices for collecting user data consents
        • Know your privacy settings
        • Get prepared
        • Create a privacy policy
        • Prompt after install
        • Determine your consent flow
        • Your consent dialogs
      • Build an accessible extension
      • Onboard, upboard, offboard users
        • Onboarding
        • Upboarding
        • Offboarding
      • User experience best practices
        • 1. Keep it focused
        • 2. Give users what they need, where they need it
        • 3. Keep the user informed
        • 4. Be Firefoxy in look and feel
        • 5. Great onboarding experience
        • 6. Test, test, and then test again
      Mobile
      • Differences between desktop and Android extensions
        • Introduction
        • User interface
        • Native application interaction
        • Permissions
        • Storage
      • User experience guidelines for mobile extensions
        • Introduction
        • The basics
        • The extra mile
        • The last mile
      • Developing extensions for Firefox for Android
        • Set up your computer and Android emulator or device
        • Check for Firefox for Android compatibility
        • Install and run your extension in Firefox for Android
        • Debug your extension
        • Manifest V3 compatibility
      • GeckoView Extensions (Android library)
      Port Your Extension
      • Porting a Google Chrome Extension
      Debug and Test
      • Debugging
        • Developer tools toolbox
        • Debugging background scripts
        • Debugging options pages
        • Debugging popups
        • Debugging content scripts
        • Debugging sidebars
        • Debugging storage
        • Debugging developer tools pages and panels
        • Debug permission requests
        • Debugging browser restarts
      • Temporary Installation in Firefox
        • Reloading a temporary extension
        • Using the command line
        • Detecting temporary installation
        • Limitations
      • Testing persistent and restart features
        • What is an add-on ID?
        • What is a Firefox profile?
        • Extension behavior in Firefox
        • What do I do to ensure I can test my extension?
      • Test permission requests
        • Permission grant behavior during testing
        • Observe or verify install time permission requests
        • Retest runtime permission grants
      • Known issues
        • Content scripts don't appear in DevTools
        • Extension source don't update in DevTools
        • "Destroyed actor" errors when debugging Android
    • Publish
      • Get your extension signed