Glasp

Glasp is a web and PDF highlighter for researchers, students, writers, and other lifelong learners. It combines highlighting, organization, export options, and AI features that work from your saved notes.

AI笔记助手 AI PDF助手 AI知识管理

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Overview

Glasp is a web and PDF highlighter built for researchers, students, writers, and other lifelong learners. It lets people highlight text on webpages, PDFs, YouTube videos, and Kindle books, then stores those highlights in one library that can be searched, tagged, exported, and revisited later.

Beyond capture and organization, Glasp adds AI features that work from the user’s own saved material. The product can summarize content, answer questions grounded in highlights, and surface remembered ideas through a personal AI memory. The site also positions Glasp as a cross-browser and mobile reading companion, with support for major desktop browsers and iOS and Android.

What Glasp does

Capture highlights across reading sources

Highlight selected text on webpages, PDFs, YouTube videos, and Kindle books, with notes attached while the idea is still fresh.

Organize in a central library

Keep highlights in one searchable library with tags and author sorting, so notes are easier to revisit later.

Recall knowledge with AI

Ask questions about saved highlights, generate summaries, and use the collection as a personal AI memory.

Import and export your notes

Import material from tools such as Kindle, Medium, Snipd, Instapaper, Hypothesis, and Weava, then export to Notion, Obsidian, Roam, Markdown, CSV, or JSON.

Community and knowledge graph

Follow people and see a knowledge graph of what you read and highlight, making learning more social.

Works across browsers and mobile

Use Glasp in Chrome, Safari, Edge, Brave, Firefox, and Opera, with mobile support on iOS and Android.

Common ways to use Glasp

Research and reading notes
Save key passages from articles, research papers, and PDFs, then return to them later through tags, author filters, or search.
Student study workflow
Turn lectures, videos, and readings into reviewable material by capturing highlights and using AI summaries and chat for study prep.
Writing and content research
Collect quotes, ideas, and source material from around the web, then export them into Notion, Obsidian, or plain text tools while writing.
Personal knowledge management
Build a personal knowledge base from everything you read and watch, and use the AI memory to revisit half-remembered ideas.
Shared learning and discovery
Follow other readers, discover what they highlight, and use the community view to find new material and related perspectives.

Pros and Cons

Pros

Highlights webpages, PDFs, YouTube videos, and Kindle books in one place.
Stores notes in a searchable, taggable library with author sorting.
Adds AI summaries, chat, and memory features based on saved highlights.
Supports importing from and exporting to several note-taking and knowledge tools.
Works across multiple desktop browsers and on mobile apps.

Cons

The free plan includes limits on some AI and document features, such as a daily cap on basic YouTube summaries and capped PDF uploads and chat.
Some capabilities, including private highlights and higher usage limits, are reserved for paid plans.

FAQ

Can I use Glasp for free?

Yes. The home page says Glasp can highlight text on webpages, PDFs, YouTube videos, and Kindle books, and the pricing page includes a free plan.

Which browsers and devices does Glasp support?

Glasp supports Chrome, Safari, Edge, Brave, Firefox, and Opera according to the home page. The page also mentions mobile apps for iOS and Android.

What changes on the paid plans?

The pricing page lists Pro and Unlimited plans in addition to the free tier. Paid plans add private highlights, higher limits for summaries and uploads, and other advanced AI tools.

Does Glasp include AI features?

Yes. The home page says you can chat with your highlights, get summaries, ask your memory questions, and use the MCP connector with ChatGPT and Claude.

Can I export my highlights?

Yes. The home page says you can export to Notion, Obsidian, Roam, Markdown, CSV, and JSON, and the pricing page also mentions daily auto-sync/export to Notion.

Quick Facts

Category: PDF and web highlighter
Primary users: Researchers, students, writers, and lifelong learners
Platforms: Chrome, Safari, Edge, Brave, Firefox, Opera, iOS, Android
Core workflow: Highlight, organize, recall with AI
Source domain: glasp.co
Pricing: Free plan plus paid Pro and Unlimited plans