mozilla/web-ext
A command line tool to help build, run, and test web extensions
Star History
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+79
STARS · LAST 30 DAYS
3
PER DAY
#235
MOST-STARRED JavaScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +21 | +79 | +270 |
| Per day | 3 | 3 | 3 |
| Forks gained | +2 | +8 | +19 |
web-ext gained 79 stars in the last 30 days, about 3 a day, and now has 3.1K. It is about 11 years old and has averaged roughly 286 stars a year. It ranks #235 among JavaScript repositories and #2,901 across all languages on GitHubRepo.
Trending Record
6
DAYS ON TRENDING
#4615
BEST RANK
Oct 9, 2026
FIRST APPEARANCE
Active
STATUS TODAY
web-ext has maintained a continuous presence across global trending indexes, peaking at #4615. Below is the 30-day activity profile:
💡 Overview
web-ext is an open-source project written in JavaScript: A command line tool to help build, run, and test web extensions.
Engineered for speed, consistency, and developer ease, it solves common hurdles in add-ons, browser-extension, javascript. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in JavaScript for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ npm install web-ext⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Node.js >= 18 or modern Evergreen browser
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
web-ext coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed web-ext into JavaScript backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MPL-2.0 license.
🚀 Getting Started
Install web-ext using your package manager: `npm install web-ext`
Initialize your project workspace or configuration file for web-ext.
Import web-ext into your codebase or invoke it directly from your terminal.
Execute your test suite or run `web-ext --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
mozilla/web-ext is currently ranked #2,901 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,896 | warp-drive-data/warp-drive | TypeScript | ★ 3.2K | Compare ↗ |
| #2,897 | wordpress-mobile/WordPress-Android | Kotlin | ★ 3.2K | Compare ↗ |
| #2,897 | greshake/i3status-rust | Rust | ★ 3.2K | Compare ↗ |
| #2,899 | kubeflow/spark-operator | Python | ★ 3.2K | Compare ↗ |
| #2,900 | f-droid/fdroidclient | Kotlin | ★ 3.2K | Compare ↗ |
| #2,901 | mozilla/web-ext This Project | JavaScript | ★ 3.1K | |
| #2,901 | aardappel/treesheets | C++ | ★ 3.1K | Compare ↗ |
| #2,901 | reactjs/react-tabs | JavaScript | ★ 3.1K | Compare ↗ |
| #2,901 | symfony/asset | PHP | ★ 3.1K | Compare ↗ |
| #2,905 | apecloud/kubeblocks | Go | ★ 3.1K | Compare ↗ |
| #2,906 | music-assistant/server | Python | ★ 3.1K | Compare ↗ |
Frequently Asked Questions
What does web-ext do? +
A command line tool to help build, run, and test web extensions
What language is web-ext written in? +
The primary language is JavaScript. Topics include: add-ons, browser-extension, javascript, webextension, webextensions.
Is web-ext actively maintained? +
Yes, the last recorded push was on Oct 9, 2026 with 220 open issues being tracked.
How many stars does web-ext have? +
web-ext has 3,146 stars and 387 forks on GitHub.
How does web-ext rank among GitHub repositories? +
With 3,146 stars, mozilla/web-ext is ranked #2,901 globally across all repositories tracked on GitHubRepo and #235 among JavaScript projects.
What license is web-ext distributed under? +
The repository reports a MPL-2.0 license. Always verify the repository LICENSE file for legal terms.
