HighlightKit: Web & PDF Highlighter + Notes & AI Summarizer

Highlight, annotate & organize web pages and PDFs with AI-powered summaries, tags, collections & reader mode.

HIGHLIGHT & ANNOTATE - 12 Vibrant Colors: Highlight text on any web page, PDF, or YouTube transcript. - Contextual Notes: Add personal insights and thoughts to any highlight. - Star Highlights: Mark important information for instant access later. - Standalone Notes: Create notes independently without needing a source page. - Floating Toolbar: Customizable actions for a fast, distraction-free workflow. ORGANIZE WITH TAGS & COLLECTIONS - Collections: Group your highlights by project, topic, or specific purpose. - Flexible Tagging: Use tags for easy categorization and cross-referencing. - Advanced Filtering: Sort by color, domain, date, stars, tags, or collections. - Full-Text Search: Find anything across all highlights, notes, and clipped articles. - Smart Reminders: Set notifications to revisit your highlights exactly when you need them. AI-POWERED SUMMARIES & ANALYSIS - Summarize: Get key points delivered in 2-3 concise bullets. - Explain: Break down complex concepts into simple, easy-to-understand terms. - Rewrite & Extract: Simplify text or pull actionable insights from any content. - Custom AI Providers: Supports OpenAI, Claude, Google Gemini, and local models. - Multi-language Support: Generate AI output in over 25 languages. YOUTUBE TOOLS - Transcript Highlighting: Mark colors and notes directly on YouTube transcripts. - Video Summarization: Use AI to turn long videos into clear, readable summaries. - Instant Translation: Translate transcripts into 25+ languages on demand. - Seamless Sync: All YouTube data stays organized within your main library. READER MODE & SAVE LATER - Clean Reading: Distraction-free interface with Light, Dark, Sepia, and High Contrast themes. - Text-to-Speech: Listen to any article with a searchable, high-quality voice picker. - Instant Bookmark: Save any page with Alt+B or clip full articles for offline reading. - Easy Export: Download your data as Markdown, JSON, or HTML for external use. PRIVACY FIRST - Local Storage: All your data is stored locally within your browser. - No Account Required: No cloud tracking—your highlights never leave your device. ------------------------------------------------------------ HighlightKit — The ultimate companion for researchers, students, and digital readers.