10 free ai chrome extensions — 2 completely free, 8 with a real free tier. Monica, Merlin AI, MaxAI and more, rated and compared.
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Free to use (2)
No paid plan behind them — free or open source, usable as they are.
HARPA AI — A browser macro orchestrator that monitors stock levels and price leaks. (Free, rated 4.8/5)
Compose AI — Google Docs styling extension completing sentences sequentially. (Free, rated 4.5/5)
Free tier available (8)
Freemium: a real free tier with limits, and paid plans once you outgrow it.
Monica — Your AI copilot Chrome extension powered by GPT-4 and Claude. (Freemium, rated 4.8/5)
Merlin AI — An integrated portal summarizes Youtube transcripts and drafts replies. (Freemium, rated 4.8/5)
MaxAI — Advanced extension that corrects typing flow and summaries Gmail folders. (Freemium, rated 4.8/5)
WebChatGPT — Enhances ChatGPT with web access. (Freemium, rated 4.8/5)
Monica AI — A sidebar utility hosting major chat models within a single browser extension. (Freemium, rated 4.7/5)
Sider AI — A browser copilot helping readers parse contract terms and explain code files. (Freemium, rated 4.7/5)
Sider — ChatGPT & Claude sidebar extension. (Freemium, rated 4.6/5)
SciSpace Copilot — AI copilot for research papers. (Freemium, rated 4.5/5)