UnThink

Save selected fragments to UnThink.

UnThink is your zero-effort second brain. Capture reading fragments, research notes, and web articles in 1 click—and let AI organize, file, and synthesize everything automatically. Stop wasting hours manually tagging notes, creating complex folder hierarchies, or maintaining bloated bookmark lists. UnThink captures what matters while you read, files it into semantic folders, and delivers a curated Sunday Reading Digest of your weekly intellectual trends. HOW IT WORKS 1. Highlight & Save: Highlight any sentence, paragraph, or code snippet on any webpage, right-click, and select "Send to UnThink" (or click the toolbar icon). 2. Zero Decisions: UnThink's AI instantly analyzes your fragment, extracts key concepts, and routes it into the correct hierarchical folder. 3. Sunday Reading Digest: Every Sunday, receive an automated synthesis of what you read, recurring themes, and actionable takeaways directly in your dashboard. KEY FEATURES • 1-Click Highlight Capture: Save snippets between 300 to 3,000 characters without leaving your active tab. • Full-Page Article Capture: Save entire long-form articles into clean, distraction-free markdown. • Automated AI Folder Filing: Say goodbye to filing paralysis. Intelligence organizes itself into structured knowledge. • 1-Click Session Sync: Log in once at letsunthink.tech and your extension is instantly paired. • Fast Semantic Search: Retrieve any quote, article, or thought in milliseconds. • Instant Visual Feedback: Sleek in-page toasts confirm saves and daily quota balance immediately. PRIVACY & DATA GUARANTEE Your thoughts and research are yours alone: • Zero AI Model Training: We never train public foundation AI models on your private notes or captures. • No Data Selling: We never sell, rent, or monetize your personal data to advertisers or third parties. • Zero Background Tracking: The extension only runs when you explicitly click save. It never tracks browsing history, form inputs, or keystrokes. • 100% Data Ownership: Export your entire library or delete your account with permanent database erasure at any time. Build your second brain with zero effort. Install UnThink today.