Overtab

Highlight, hover, or speak to get instant explanations: all on-device with Gemini Nano.

Welcome to Overtab: Your On-device AI Browsing Assistant! Built for the 𝗚𝗼𝗼𝗴𝗹𝗲 𝗖𝗵𝗿𝗼𝗺𝗲 𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗔𝗜 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 𝟮𝟬𝟮𝟱, Overtab transforms how you read and understand web content using Chrome’s on-device AI (Gemini Nano) - with complete privacy. 𝐖𝐇𝐀𝐓 𝐈𝐓 𝐃𝐎𝐄𝐒: Overtab enhances your web experience with intelligent AI tools: • Explain complex topics instantly • Simplify technical jargon into plain English • Translate content into 6 languages (Spanish, French, German, Italian, Japanese, Hindi) • Proofread text and fix grammar • Describe images using AI vision • Chat with AI about page content • Discover related articles and resources automatically • Access your history anytime 𝐏𝐑𝐈𝐕𝐀𝐂𝐘-𝐅𝐈𝐑𝐒𝐓 𝐀𝐈: PRIMARY: On-Device Processing. All processing stays local on your device: no tracking, no analytics, no data collection. Works offline once the model is downloaded. OPTIONAL: OpenAI Fallback. If on-device AI isn't available, you can optionally use your own OpenAI API key. You control your data, and API keys are encrypted locally. 𝐇𝐎𝐖 𝐈𝐓 𝐖𝐎𝐑𝐊𝐒: 𝐅𝐢𝐫𝐬𝐭-𝐭𝐢𝐦𝐞 𝐒𝐞𝐭𝐮𝐩: 1. Install Overtab from Chrome Web Store 2. Enable Gemini Nano in chrome://flags, or add your OpenAI API key in settings. 3. Restart Chrome if using Gemini Nano 𝐔𝐬𝐢𝐧𝐠 𝐎𝐯𝐞𝐫𝐭𝐚𝐛: 1. Highlight text on any page. 2. Choose your action (Explain, Simplify, Translate, or Proofread) 4. Results appear instantly in the sidebar 5. Continue the conversation with AI chat for follow-up questions Additional Features: - Right-click any image → "Describe with Overtab" for AI-generated descriptions - Click "Similar Links" in the sidebar to discover related resources - Access your history anytime by clicking the Overtab extension icon - Toggle hover tooltips on/off in settings (when enabled, hover over text for quick explanations) 𝐂𝐇𝐑𝐎𝐌𝐄 𝐁𝐔𝐈𝐋𝐓-𝐈𝐍 𝐀𝐈 𝐀𝐏𝐈s: Overtab showcases Chrome's revolutionary Built-in AI capabilities: - 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐌𝐨𝐝𝐞𝐥 𝐀𝐏𝐈 - for intelligent explanations and chat - 𝐒𝐮𝐦𝐦𝐚𝐫𝐢𝐳𝐞𝐫 𝐀𝐏𝐈 - for quick content summaries - 𝐓𝐫𝐚𝐧𝐬𝐥𝐚𝐭𝐨𝐫 𝐀𝐏𝐈 - for fast on-device translation (28x faster) - 𝐑𝐞𝐰𝐫𝐢𝐭𝐞𝐫 𝐀𝐏𝐈 - for text simplification - 𝐏𝐫𝐨𝐨𝐟𝐫𝐞𝐚𝐝𝐞𝐫 𝐀𝐏𝐈 - for grammar checking This demonstrates the power of on-device AI for privacy-preserving, fast, and intelligent web experiences. 𝐏𝐄𝐑𝐅𝐄𝐂𝐓 𝐅𝐎𝐑: Students · Researchers · Professionals · Non-native speakers · Anyone who reads a lot online 𝐑𝐄𝐐𝐔𝐈𝐑𝐄𝐌𝐄𝐍𝐓𝐒: 𝐅𝐨𝐫 𝐎𝐧-𝐃𝐞𝐯𝐢𝐜𝐞 𝐀𝐈 (𝐑𝐞𝐜𝐨𝐦𝐦𝐞𝐧𝐝𝐞𝐝): - Chrome 129 or newer - Enable "Prompt API for Gemini Nano" in chrome://flags - Works completely offline after model download 𝐅𝐨𝐫 𝐎𝐩𝐞𝐧𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 (𝐎𝐩𝐭𝐢𝐨𝐧𝐚𝐥): - Any Chrome version - Your own OpenAI API key - Internet connection required 𝐊𝐄𝐘 𝐅𝐄𝐀𝐓𝐔𝐑𝐄𝐒 ✓ 100% on-device AI with Gemini Nano ✓ Optional OpenAI API integration ✓ Explanations, summaries, translations ✓ Image descriptions & resource discovery ✓ Smart hover tooltips & history ✓ Privacy-first design · No data collection ✓ Open source & transparent 𝐎𝐏𝐄𝐍 𝐒𝐎𝐔𝐑𝐂𝐄: Overtab is 100% open source. Review our code, contribute, or report issues: Github: https://github.com/riyanshibohra/Overtab 𝐏𝐑𝐈𝐕𝐀𝐂𝐘 & 𝐒𝐔𝐏𝐏𝐎𝐑𝐓: Privacy Policy: https://github.com/riyanshibohra/Overtab/blob/main/PRIVACY.md Support: https://github.com/riyanshibohra/Overtab/issues Email: riyanshibohraa@gmail.com Experience the future of web reading with AI that respects your privacy!