LookStuffUp - Instant definitions, translations & summaries
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Description
Select any text for instant definitions, simple explanations, summaries and translations. Private on-device AI, no telemetry. LookStuffUp: Instant answers without breaking your flow. Tired of popping open a new tab for every little thing? Same. LookStuffUp puts knowledge right where you need it: on the page. Why it exists: I built this because I am someone who gets easily distracted and wanted something like this without paying for it. That's why it is and always will be 100% free. No ads, no in-app purchases/sign-ups, no paywalls. All the features you see are yours to use, right out of the box. Key Features: - Instant Context: Highlight text to see concise info with source links if you want to go deeper. - Intelligent & Multi-Source Search: I've designed the search to be smart. It pulls the best information from multiple sources like Wikipedia, Wiktionary, and the dictionary to give you a well-rounded definition or summary. (Optional Google boost: Add your own free Google API key for higher‑quality web lookups without leaving the page. This is usually free if you use it wisely) - On-Device AI: Explain, Summarize and Translate, all running on your device. Explain in plain words (concise, ELI5, or with a quick example), summarize at short, medium or long length, and translate between 20 languages. Uses Chrome’s built-in AI where available, otherwise it downloads a compact open model once and works offline after that. A GPU makes it much faster, but it will work on CPU :) Make it yours: - Drag it anywhere on the screen. - Toggle Dark Mode. - Adjust the font size. - Set a custom background color (the text color adjusts automatically for readability!). - Per‑site control: One‑click “Disable on this site” and a blacklist to turn it off if the pop up is bothering you on a website where you don’t want it on ;) Privacy-first by design: - No tracking. No ads. No analytics. - Your API key (if added) stays in your browser’s local secured storage. - Lookup history stays on your device. - You can disable lookups or blacklist sites anytime. - Explain, Summarize and Translate run locally. Your text is never sent anywhere for AI. The only AI download is the model files. I don't collect any of your data. Your business is your own. Changelog v2.0.0 New Explain tab (concise, like-I’m-5, or with an example) and a rebuilt on-device AI engine. Better short, medium and long summaries, improved translation and many reliability fixes. v1.7.0 Added settings icon in tooltip header and clicking the extension icon opens settings instantly Smart Enable/Disable Toggle Some other QOL improvements v1.6.1 Code and reliability improvements v1.6 Always show “Search on Google →” in the Lookup tab. Added “Disable LookStuffUp on this website” button for instant blacklisting Added AI flags setup guide for Chrome users Improved error handling Minor code improvements for increased robustness v1.5.1 Small tweaks v1.5 Added on-device AI functionality - Summarization and Translation. Added History functionality. Performance improvements and bug fixes. v1.4 Added draggable window functionality and some other performance enhancements v1.3 Fixed minor bugs v1.2 Performance enhancements and caching improvements.