Key Features
✓ Pros
- Completely free core features — no query limits on highlighting and basic AI summaries
- Works on webpages, PDFs, and YouTube videos
- Searchable personal library with tags and AI-generated notes
- Export highlights to Notion, Obsidian, Readwise, and Markdown
- Social layer lets you see what others highlighted on the same page (opt-in)
✗ Cons
- Pro at $15/mo is high for a highlighting tool — the free tier might be enough
- AI summary quality is good but not best-in-class compared to purpose-built summarizers
- Social features can feel distracting if you just want a private research tool (toggle off)
- Mobile experience is limited compared to desktop
Full Review
Glasp is a web highlighter with AI built in. Highlight text on any webpage or PDF, and Glasp saves it to a personal library with AI-generated summaries and tags. YouTube transcript highlighting lets you mark key moments in videos. Everything is searchable, exportable, and — if you want — shareable with a community of readers.
Heavy readers who want to build a personal knowledge base from web content. Content creators gathering research for articles, students building literature reviews, and anyone who highlights on Kindle and wishes they could do the same on the web.
Frequently Asked Questions
What is Glasp?
Researchers, students, and content creators who want to highlight, annotate, and summarize web content
How much does Glasp cost?
Glasp pricing: Free (core features) / Pro $15/mo (advanced AI features)
What are alternatives to Glasp?
Popular alternatives include Adobe Acrobat AI Assistant , Agentcard, and Anki. See our full Glasp alternatives guide or explore the Productivity tools directory.
Quick Facts
- Category
- Productivity
- Pricing
- Free (core features) / Pro $15/mo (advanced AI features)
- Best For
- Researchers, students, and content creators who want to highlight, annotate, and summarize web content
- Website
- glasp.co
Our Verdict
Glasp stands out in the productivity category with a free tier that lets you get started immediately. Its key strengths include completely free core features — no query limits on highlighting and basic ai summaries and works on webpages, pdfs, and youtube videos. Keep in mind that pro at $15/mo is high for a highlighting tool — the free tier might be enough.
Get Started with Glasp →Glasp vs Adobe Acrobat AI Assistant: Quick Comparison
| Our Pick Glasp | Adobe Acrobat AI Assistant | |
|---|---|---|
| Pricing | Free (core features) / Pro $15/mo (advanced AI features) | AI Add-on $4.99/mo (on top of Acrobat plan) / Acrobat Pro $19.99/mo (AI bundled) / Acrobat Studio $24.99/mo (Pro + Express + AI) |
| Completely free core features — no query limits... | ✓ | — |
| Works on webpages, PDFs, and YouTube videos | ✓ | — |
| Searchable personal library with tags and AI-ge... | ✓ | — |
| Our Rating | ⭐⭐⭐⭐⭐ | See review → |
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