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Description
Tab Cluster AI — automatically group tabs with on-device AI or the Gemini API Tab Cluster AI automatically groups your open Chrome tabs using either on-device AI (Gemini Nano) or the Gemini API. Built as an open-source alternative to the discontinued Tab Organizer, it always shows you a preview before touching your tabs. ═══════════════════════════════ ✦ TWO WAYS TO ANALYZE ═══════════════════════════════ • On-device AI (Gemini Nano) Runs entirely inside Chrome via the Prompt API. No API key. No data ever leaves your browser. Requires Chrome 138+ and a one-time ~22 GB model download. • Gemini API Bring your own free key from Google AI Studio. Works on any modern Chrome, including machines that can't run the on-device model. Choose from Gemini 3.1 Flash-Lite, 3.5 Flash, 2.5 Flash/Pro and more. • Organize by domain (no AI) Pure rule-based grouping by hostname — no model, no API key, no network. Great as a fallback. ═══════════════════════════════ ✦ WHY YOU'LL LIKE IT ═══════════════════════════════ ✓ Preview before apply — see every suggested group name, color, and member before anything changes. Cancel anytime. ✓ Merges into existing groups — if you already have a "Work" or "Shopping" group, new tabs are folded in rather than duplicating it. ✓ Your own grouping rules — leave a free-text note like "separate work and personal" or "shopping by domain" and the AI follows it. Stored locally only. ✓ Built-in diagnostics — when on-device AI is unavailable, the popup tells you exactly why (Chrome version, RAM, flags, model status) and what to try. ✓ Multilingual UI — English, 日本語, Deutsch, Español, Français. UI follows your Chrome language; group names follow your browser content language. The two are independent on purpose. ✓ Manifest V3, no analytics, no telemetry, no remote code. Source is on GitHub. ═══════════════════════════════ ✦ PRIVACY ═══════════════════════════════ • On-device mode: tab titles and URLs are processed by Chrome locally. Nothing is sent anywhere. • Gemini API mode: tab titles and URLs are sent to Google's Generative Language API using YOUR API key. The extension author never sees them. • Organize by domain: nothing is sent anywhere. • Your API key, model choice, and grouping preferences are stored only in chrome.storage.local on this device. Uninstalling removes them. Full policy: https://0xmokuren.github.io/TabClusterAI/PRIVACY.html ═══════════════════════════════ ✦ REQUIREMENTS ═══════════════════════════════ On-device mode • Chrome 138 or later • 16 GB+ RAM or a discrete GPU with 4 GB+ VRAM • 22 GB+ free disk for the first model download • Unmetered network for the first download Gemini API mode • Any Manifest V3 Chrome • A free Gemini API key from Google AI Studio (https://aistudio.google.com/apikey) • Network access to generativelanguage.googleapis.com ═══════════════════════════════ ✦ LIMITS ═══════════════════════════════ • Up to 40 tabs per analysis (model payload limit) • Minimum 2 ungrouped tabs to form a group (Chrome requirement) • Pinned and chrome:// tabs are excluded • Group names capped at 20 characters ═══════════════════════════════ ✦ OPEN SOURCE ═══════════════════════════════ MIT-licensed. Issues, ideas, and pull requests welcome: https://github.com/0xmokuren/TabClusterAI