Web Highlighter - Highlight Text, Annotate & Take Notes with AI

Highlight text on any web page — and now on YouTube videos too. Web Highlighter is a free highlighter, annotation, and AI study tool that saves everything you read and watch, then turns it into summaries, flashcards, and answers you can actually use. Just select any text, click, and it's highlighted and auto-saved to your dashboard — across tabs, sites, and sessions. Color-code your highlights, add notes, and find anything instantly with search. ⚡ WHY YOU'LL LOVE WEB HIGHLIGHTER - One-click highlighting on any website — no account needed to start - NEW: Highlight YouTube videos — save key moments and transcript lines as you watch - Six highlighter colors to organize by topic, class, or priority - Add notes and comments to any highlight - Auto-save across tabs, sessions, and devices - Instant search across everything you've saved 🤖 AI SUMMARIES, CHAT & STUDY TOOLS - AI summaries of any web page, YouTube video, or your saved highlights - NEW: Chat with AI — ask questions about anything you've highlighted and get instant answers - Auto-generate flashcards and quizzes from your highlights - Turn hours of reading and watching into minutes of review ▶️ YOUTUBE HIGHLIGHTER (NEW) - Highlight and save the important lines from any YouTube video - Get an AI summary of a long video in seconds - Chat with AI about the video to understand it faster 📤 EXPORT ANYWHERE - Send highlights and notes to Notion, Google Docs, Obsidian, and Markdown 📚 BUILT FOR STUDYING, RESEARCH & PRODUCTIVITY - Students: highlight articles, textbooks, and lecture videos, then revise with AI flashcards - Researchers: collect quotes, sources, and citations in one searchable place - Professionals: annotate documents, summarize videos, and save what matters 🔒 PRIVACY FIRST - Local-first storage — your highlights stay on your device by default - No tracking, no ads, and we never sell your data Install Web Highlighter free and turn every web page and YouTube video into organized, searchable knowledge. Highlight, annotate, summarize, and chat with AI — all in one extension.