Browserfly: AI Browser Assistant — Your Keys, Your Models The AI browser extension that runs on YOUR terms. Bring your own API key and connect directly to OpenAI, Anthropic, OpenRouter, Ollama, or any OpenAI-compatible provider. No subscription. No markup. No middleman. WHY BYOK? ✓ Pay your AI provider directly — we don't add fees ✓ Zero server processing — your messages never touch our servers ✓ No account required — install, add your key, start chatting ✓ Model freedom — switch between GPT-4, Claude, local models, and more TWO MODES, ONE EXTENSION Ask Mode — Chat with any webpage - Talk to one or multiple tabs at once - Select any element (paragraph, table, form) and ask questions - Automatically pulls YouTube and Bilibili subtitles into context Agent Mode — AI controls your browser - Click buttons, open links, fill forms - Translate, rewrite, or summarize content - Run automation workflows with natural language KEY FEATURES • Cross-tab conversations — chat across multiple pages • Element-level chat — select and interact with any part of a page • Real browser automation — clicks, navigation, form filling • Quick Actions — define your own prompts for one-click access • Works on Chrome, Edge, Brave, Opera — no browser lock-in • YouTube & Bilibili support — video subtitles auto-extracted USE CASES → Summarize articles, reviews, and videos in seconds → Compare search results across multiple tabs → Automate repetitive tasks with natural language → Ask questions about selected text or page elements YOUR PRIVACY Your API key stays in your browser. Your messages go straight to your AI provider. We never see, store, or process your conversations. GET STARTED

Install Browserfly
Paste your API key (OpenAI, Anthropic, OpenRouter, etc.)
Start chatting

That's it. No signup. No credit card. No friction. Your AI. Your keys. Your browser.