Tab Limiter

A cross-browser extension to limit the number of open tabs, globally and per-window. Supports Chrome and Firefox from one shared source layout.

Features

• Limit total open tabs in the browser
• Limit open tabs per window
• Show number of open tabs and remaining limit
• Beautiful progress bars for showing usage and limits
• Option to count or ignore pinned tabs
• Optional badge showing remaining tabs
• Option to open excess tabs in another window when the per-window limit is reached

Installation

Chrome

Development (unpacked)

1. Clone this repository
2. Run npm run dev:chrome
3. Open chrome://extensions/
4. Enable Developer mode
5. Click Load unpacked and select dist/chrome-dev

Production build

1. Run npm run build:chrome
2. Use dist/tablimiter-chrome.zip

Firefox

Development (temporary add-on)

1. Clone this repository
2. Run npm run dev:firefox
3. Open about:debugging#/runtime/this-firefox
4. Click Load Temporary Add-on
5. Select dist/firefox-dev/manifest.json

Production build

1. Run npm run build:firefox
2. Use dist/tablimiter-firefox.zip

Development

npm install

# Prepare dev folders
npm run dev
npm run dev:chrome
npm run dev:firefox

# Produce store zip files
npm run build
npm run build:chrome
npm run build:firefox

# Remove generated artifacts
npm run clean

Project Structure

TabLimiter/
├── README.md
├── LICENSE
├── package.json
├── .gitignore
├── docs/
├── assets/              # Store/marketing assets
├── shared-assets/       # Shared extension icons/assets (source)
├── src/
│   ├── common/          # Shared extension runtime files
│   │   ├── background.js
│   │   ├── options.html
│   │   ├── options.css
│   │   └── options.js
│   ├── chrome/          # Chrome shell
│   │   └── manifest.json
│   └── firefox/         # Firefox shell
│       └── manifest.json
└── dist/                # Generated dev/build artifacts

Credits

Originally created by Matthias Vogt (2016). Modernized, redesigned, developed and maintained by Tavlean now.

License

MIT