HighlightKit: Web & PDF Highlighter + Notes & AI Summarizer

About

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.

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HighlightKit — The ultimate companion for researchers, students, and digital readers.