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Never lose track of anything you've learned. Quick Brain remembers every article, video, PDF, and screenshot - searchable with AI. Ever read a fascinating article or watch an insightful video, only to forget it a week later? Quick Brain is your personal AI-powered second brain that ensures you never lose valuable knowledge again. SAVE ANYTHING Stop bookmarking links you'll never read. With a single click, Quick Brain saves the content you care about from anywhere on the web: 📄 Web Pages: Captures the full content of articles and blogs for detailed analysis. ▶️ YouTube Videos: Understands the content of videos, not just the title. 📁 Images, PDFs & Text Files: Upload documents directly to your knowledge base. 📋 Pasted Text: Quickly save snippets and notes from your clipboard. AI-POWERED UNDERSTANDING Quick Brain doesn't just save links; it understands them. Using Google's powerful Gemini AI, every item you save is automatically analyzed and structured with: Detailed, multi-paragraph summaries. Key topics and tags for easy filtering. A list of the 8-10 most important facts. SEARCH LIKE A CONVERSATION Stop trying to remember keywords. Ask Quick Brain questions in plain English and get instant, intelligent answers synthesized from the documents you've saved, complete with sources. It's like having a research assistant who has read everything you have. 100% PRIVATE AND LOCAL Your privacy is paramount. All of your saved documents and data are stored locally in your browser's secure IndexedDB storage. We never see, collect, or have access to your data. IMPORTANT: GETTING STARTED - To power the AI features, Quick Brain requires a Google Gemini API key. - You can get a free API key from the Google AI Studio. - After installing the extension, click the gear icon (⚙️) to go to the Settings page. - Paste your API key into the designated field and click "Save Settings". - After that, click on the extension and save a web page, copied text, an uploaded file, or a Youtube video from a url. Once the data is saved you can "search" it with a query and get a detailed answer from A.I.
Jan 9, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.