Arcrawls
A free Chrome/Firefox browser extension: a context-aware AI pet that reacts to what you're browsing in real time, using Google's on-device Gemini Nano so nothing leaves your machine, open-source with 32 GitHub stars.
🔗 Visit Arcrawls
Description
Most browser add-ons quietly send some data somewhere to work. Arcrawls takes the opposite bet: a fun, animated on-screen companion whose entire "awareness" of what you're doing runs locally on your own device.
Arcrawls is a browser extension that adds an animated pet mascot to the edges of your screen, reacting in real time to your browsing — entering "coding mode" on GitHub, reacting to Netflix playback, or flagging JS console errors — with over 140 animations and spring-physics interactions like dropping a laser toy on the page. Its context awareness and optional sentiment analysis run entirely on-device via Google's Gemini Nano and DistilBERT, with zero cloud API calls or data collection, and it's open-source (32 GitHub stars, PolyForm Noncommercial license) with a documented FAQ and docs site. It's free, available on the Chrome Web Store and for Firefox.
💬 Our review
The short version: it's a novelty, not a productivity tool, and it's worth judging as one — within that category, it's a well-built, actually free, privacy-respecting take on the desktop-pet genre that's genuine about running its AI 100% locally rather than just claiming to.
There's no serious "alternative" comparison to make here — Arcrawls sits in the small, mostly nostalgic lineage of desktop companions (Clippy, Bonzi Buddy, Shimeji desktop pets), and its real differentiator against that lineage is technical: genuine on-device AI (Gemini Nano) instead of a scripted animation loop, verifiable because it's open-source rather than a black box. The PolyForm Noncommercial license means you can inspect and modify it for personal use but not build a commercial product on top of the code as-is. Worth knowing before installing: it's a fun add-on, not something that saves time or does real work — install it because you want a screen companion, not because you expect a productivity boost. Best fit: anyone who likes desktop pets/mascots and cares that the "AI" claim is real and verifiable rather than marketing; skip it if you want your browser lean and distraction-free.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Extension gratuite sur Chrome Web Store et Firefox. Licence PolyForm Noncommercial (usage personnel libre, pas de réutilisation commerciale du code).
Pros
IA réellement embarquée sur l'appareil (Gemini Nano), zéro appel cloud, vérifiable car open-source
Gratuit, sans compte ni collecte de données
140+ animations avec physique à ressort, bien plus travaillé que la plupart des mascottes de bureau
Cons
C'est un gadget ludique, aucun gain de productivité réel à attendre
Licence PolyForm Noncommercial : pas de réutilisation commerciale du code
Projet jeune (32 étoiles GitHub), maintenance à long terme non garantie