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Glasp

Social web highlighter with AI summaries and a shareable knowledge graph of what you've read.

What is Glasp, in two sentences

Glasp is a social web highlighter with AI summaries and a shareable knowledge graph of what you've read. Allows users to highlight and annotate text on web pages and PDFs directly in the browser.

About Glasp

Glasp is a social web highlighter that lets you highlight and annotate text on web pages and PDFs directly in the browser.

It generates AI summaries of highlighted content and builds a personal knowledge graph of your saves that you can share via a public profile. Highlights export to note-taking tools including Notion, Obsidian, and Readwise.

It suits researchers and readers who want to capture and share what they read, and it is beginner-friendly. Note the limits: the free tier caps monthly highlights, advanced AI summaries and unlimited exports need a paid subscription, and the extension targets Chromium-based browsers with no official Firefox version.

Against other read-and-annotate tools, its distinguishing angle is the social, shareable knowledge graph layered on top of standard highlighting and export.

Sources: glasp.co, this listing

What it does well

  • Allows users to highlight and annotate text on web pages and PDFs directly in the browser.
  • Generates AI-powered summaries of highlighted content and articles.
  • Builds a personal knowledge graph of saved highlights that can be shared via a public profile.
  • Supports exporting highlights to note-taking tools such as Notion, Obsidian, and Readwise.

Where it falls short

  • The free tier caps the number of monthly highlights users can save.
  • Advanced AI summary features and unlimited exports require a paid subscription.
  • Browser extension support is focused on Chromium-based browsers, with no official Firefox version.

Tagged

  • Web-based
  • Beginner-friendly
  • Free
  • Freemium

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Frequently asked questions

What is Glasp?
Glasp is a social web highlighter with AI summaries and a shareable knowledge graph of what you've read.
Is Glasp free?
Glasp offers a free tier and paid plans with higher limits or premium features.
What platforms does Glasp support?
Glasp runs on web, ios.
What category does Glasp belong to?
Glasp is in the Browser Extensions category — AI-powered Chrome, Arc, Edge, Firefox, and Safari extensions — overlays, sidebars, content augmentation.
What are the downsides of Glasp?
The free tier caps the number of monthly highlights users can save. Advanced AI summary features and unlimited exports require a paid subscription. Browser extension support is focused on Chromium-based browsers, with no official Firefox version.