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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Free to use with no subscription required
Biggest con
Only available as a browser add-on; no standalone app or other browser support mentioned
TL;DR - Glasp for Firefox
- Collect and organize highlights from websites, PDFs, and YouTube videos with color-coded annotations.
- AI summarization for web articles, PDFs, and videos using multiple language models.
- Social features let you discover content from other curators and share highlights to Slack, Twitter, and Teams.
Pricing: Free forever
Best for: Individuals & startups
What is Glasp for Firefox?
Glasp Web Highlighter is a browser extension that lets you highlight text on websites, PDFs, and YouTube videos with multiple colors. It automatically saves your highlights and notes to your Glasp page, where you can organize them with tags, search, and share to platforms like Twitter, Slack, and Teams. The extension also offers AI-powered summaries of web articles, PDFs, and YouTube videos using advanced language models. You can view highlights from other users to discover content, sync Kindle highlights, and export everything to note-taking apps. It's designed for researchers, students, and knowledge curators who want to collect and revisit important information.
Pros & Cons
Pros
- Free to use with no subscription required
- Supports multiple content types: web, PDF, YouTube, and images
- AI summaries save time by condensing long articles and videos
Cons
- Only available as a browser add-on; no standalone app or other browser support mentioned
- Requires a Glasp account to store and access highlights
Key Features
Multi-color highlighting on web pages and PDFsHighlight and annotate on YouTube videosAI-powered summary of web articles, PDFs, and YouTube videosTagging and linking of highlightsSidebar view of all highlights with click-to-navigateOne-click copy of highlights and notes with metadataSync highlights from Kindle eBooksGenerate quoteshots (stylized images of highlights) from webpages
Pricing
Free
Glasp for Firefox is completely free to use with no hidden costs.
Reviews
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Glasp for Firefox FAQ
How does Glasp for Firefox help a researcher organize highlights from multiple content types?
Glasp for Firefox lets you highlight text on websites, PDFs, and YouTube videos with multiple colors, and automatically saves those highlights to your Glasp page. You can then organize them with tags, search through them, and export everything to note-taking apps, making it a centralized tool for collecting and revisiting important information from diverse sources.
How does Glasp for Firefox compare to Notion AI for note-taking and knowledge curation?
Unlike Notion AI, which is a full-featured workspace with AI writing and database capabilities, Glasp for Firefox is a browser extension focused specifically on highlighting and organizing web content, PDFs, and YouTube videos. Glasp is free to use with no subscription required, while Notion AI requires a paid plan for its AI features, making Glasp a more accessible option for lightweight content curation.
What kind of user benefits most from using Glasp for Firefox?
Glasp for Firefox is designed for researchers, students, and knowledge curators who want to collect and revisit important information from web articles, PDFs, and YouTube videos. Its free AI summaries and multi-color highlighting make it especially useful for users who need to condense and organize content without paying for a subscription.
How is Glasp for Firefox priced for individual users?
Glasp for Firefox is free to use with no paid plan required, so you can highlight, summarize, and organize web content without any subscription fees. This makes it a cost-effective tool for anyone who needs to collect and manage highlights across multiple content types.
Can Glasp for Firefox sync highlights from a Kindle device or app?
Yes, Glasp for Firefox supports syncing Kindle highlights, allowing you to bring your e-book annotations into the same platform where you organize web, PDF, and YouTube highlights. This integration helps centralize your reading notes from both digital books and online content.
Does Glasp for Firefox allow sharing highlights to team communication platforms?
Yes, Glasp for Firefox lets you share your highlights and notes to platforms like Twitter, Slack, and Microsoft Teams directly from your Glasp page. This makes it easy to collaborate or share curated content with colleagues or followers without leaving the extension.
How does Glasp for Firefox generate AI summaries of web content?
Glasp for Firefox uses advanced language models to produce AI-powered summaries of web articles, PDFs, and YouTube videos, condensing long content into shorter overviews. These summaries save time by letting you quickly grasp the key points of a page or video without reading or watching the entire piece.
Source: addons.mozilla.org