web-ext ☆
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Description:
Command-line tool to help build, run, and test web extensions
Type: Formula  |  Latest Version: 9.2.0@0  |  Tracked Since: Dec 24, 2025
Links: Homepage  |  GitHub  |  formulae.brew.sh
Stars: 3,005  |  Forks: 370  |  Language: JavaScript  |  Category: Developer tools
Tags: web-extension firefox chrome developer-tools javascript
Install: brew install web-ext
About:
web-ext is a Node.js-based command-line tool designed to streamline the development workflow for browser extensions. It provides essential commands for building, signing, linting, and running extensions in a browser for testing. Its primary value is offering a standardized, automated process that works across Firefox, Chrome, and other browsers.
Key Features:
  • Run extensions in a browser with auto-reload on file changes
  • Lint extension code for common errors and best practices
  • Build and create signed extension packages for distribution
  • Test extensions across different browsers and environments
Use Cases:
  • Automating the build and testing cycle during extension development
  • Preparing and signing extensions for submission to browser marketplaces
Alternatives:
  • Chrome Developer Tools – Browser-native debugging suite, but lacks dedicated CLI automation for the full extension lifecycle.
Version History
Detected Version Rev Change Commit
Dec 24, 2025 9:55pm 9.2.0 0 VERSION_BUMP b3a4c8de
Oct 24, 2025 6:00pm 0 VERSION_BUMP 745eea7d
Sep 17, 2025 2:24pm 0 VERSION_BUMP 03e6599d
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