TOOL-001 Chrome Extension Public Alpha

ATO — Advanced Tab Organizer

Kill duplicate tabs instantly. Stay focused.

A lightweight Chrome extension that detects duplicate tabs, shows a badge counter, and lets you close duplicates with one click or a keyboard shortcut.

View source → Installation

Metadata Catalog entry

ID: TOOL-001
Type: Chrome Extension
Status: Public Alpha
Distribution: GitHub-only
License: MIT
Source: github.com/jeanlucaslima/ato

Functions 4 on file

Badge counter: Shows how many duplicate tabs you have.
One-click cleanup: Close all duplicates with one button.
Keyboard shortcut: Open with Cmd+U (macOS) or Ctrl+U (Windows/Linux).
Real-time updates: The badge updates automatically as you browse.

Distribution Manual install

GitHub-only. No Chrome Web Store listing yet.

Installation requires cloning the repository, building locally, and loading the built extension through Chrome Developer Mode.

Privacy Review source

Tab access only.

ATO needs access to browser tabs so it can detect duplicates and update the badge counter. Review the source before installing.

Installation

1. Clone and build

git clone https://github.com/jeanlucaslima/ato.git
cd ato
npm install
npm run icons
npm run build

2. Load in Chrome

Open chrome://extensions
Enable Developer mode using the toggle in the top right
Click Load unpacked
Select the built extension folder (typically dist/)

3. Use it

Press Cmd+U / Ctrl+U to open the popup
Or click the ATO icon in your toolbar
Click Close duplicates to remove duplicate tabs

Development

# Watch mode
npm run dev

# Run tests
npm test

# Build for production
npm run build

After changes, reload the extension from chrome://extensions.