Glasp Web Highlighter: PDF & Web Highlight icon

Glasp Web Highlighter: PDF & Web Highlight

by GLASP INC · glasp.co · Tools
FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

AI-powered Web Highlighter for Websites, PDF, and YouTube videos. YouTube Summary with ChatGPT, Claude, and Gemini.

Users
500K
0 in 30 days
Rating
4.3 / 5
−0.19 in 30 days
Ratings
991
+6 in 30 days
Store rank
#674
#617 among extensions
Version
2.1.4
updated 4 Sep 2026

Users

monthly, 3 years
30K265K500KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 500,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
50520991Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 991 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Glasp Web Highlighter: PDF & Web Highlight

Highlight PDF and Websites, save it for later, and share it with everyone. Glasp is a PDF & Web highlighter that helps you collect and organize your favorite quotes and thoughts from the web. You can also access other like-minded people’s learning and build your AI clone from your highlights and notes. "Glasp Web Highlighter: PDF & Web Highlight" is a free Chrome Extension that lets you quickly highlight websites and PDF files with colored highlighting options, which are then automatically curated to your Glasp homepage. These highlights can then be tagged, searched for, linked to, and shared on a variety of other platforms, including Twitter, Teams, and Slack. YouTube, web article, and PDF summarization functions are powered by AI models such as ChatGPT (OpenAI), Claude (Anthropic), Mistral AI and Gemini. You can see all the highlights and notes in the sidebar on the web and PDF, and clicking each highlight takes you to the highlighted place in the web page or inside the PDF. Also, you can tag the web page and PDF and see what other people highlighted in the website or PDF from the sidebar. With one click, the content you’ve collected appears across all your devices! Check out your highlights on your Glasp page or in the original source, where they remain highlighted. Discover more content on the Glasp website and connect with other like-minded readers who share your interests. By following your friends or like-minded people, you will discover insightful and thought-provoking content that deepen your knowledge and understanding. Highlight. Annotate. Save. Share. Repeat. Make an impact, become a knowledge curator. —— Key Features: ✅ Web & PDF highlight with multiple colors: 🔴 🟡 🟢 🔵 ✅ Highlight & annotate on YouTube videos: 🎥 ✅ AI-powered summary based on annotations: 💎 ✅ Highlight & annotate on PDF files: ✍️ ✅ Highlight & annotate on Images: 🖼️ ✅ Make notes on the highlights: ✍️ ✅ Tag and link-to your highlights: 🏷️ 🔗 ✅ Copy-and-paste all the highlights and notes with meta data into your note-taking app in one click 📝 ✅ Discover more useful content from other curators: 🤝 ✅ Sync all your highlights and notes from Kindle eBooks: 📚 ✅ YouTube Summary with ChatGPT and Claude: ❤️ ✅ Summarize YouTube videos, web articles, and PDF: ❤️ ✅ Generate stunning quoteshots from webpages 🎨 —— How to Use Glasp: ### Adding Glasp to Chrome - Click “Add to Chrome” - Log in to Glasp from the extension menu ### Using Glasp in Chrome - Select the text you want to highlight using your mouse or trackpad - Select the highlight color from the Glasp pop-up highlighter tool ### Using Your Highlights - View you highlights on your Glasp Profile Page - Tag your highlights, make notes, summarize your highlights with a page comment, and share your highlights and notes by creating links or directly copy and pasting into other apps. It’s that easy. To see a tutorial of how to use the Glasp Chrome Extension, please click the link to see a demonstration video on YouTube: https://www.youtube.com/watch?v=Tgbszoeokv4 ### Pro Tips / Troubleshooting: - Adding tags to saved content will help you organize your interests. - If you can’t highlight on a web page, try switching tabs or refreshing the page. - For more details, please check our our FAQs page ;) https://blog.glasp.co/faqs/ —— Why Choose Glasp? What you collect says so much about who you are. Glasp lets you grasp it! Meet and learn with 500,000+ life-long learners! + Retain information, keep it organized, and easily use it 📚 + Discover useful information from like-minded people 🔍 + Share your highlights & notes with friends and peers with one click 🚀 + Contextualize what you learned and be a better write ✍️ + Leave your digital legacy for future generations (contribute to human history) 🙌 Trusted by 500,000+ Users: Glasp is trusted by content writers, avid readers, active note-takers, researchers, thinkers, students, and people who seek for better reading and knowledge management workflow. —— Write your feedback to hi@glasp.co If you find bugs, please let us know from here: https://docs.google.com/forms/d/e/1FAIpQLSf-l_PApQyXi7cX4ZO7kZ6ARW8JXLesiTzvwae-nvWISp3P3A/viewform By installing the extension, you agree to Glasp’s Terms of Service, Privacy Policy, and Community Guidelines (which can be found here: https://glasp.co/privacy-policy).

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%+1−0.19
30 days0+0.0%+6−0.19
6 months0+0.0%+50−0.22
1 year0+0.0%+128−0.22

Chrome Web Store search rankings

Where Glasp Web Highlighter: PDF & Web Highlight appears when people search the store, with the 30 day change
Search phrasePosition30 days
highlighter#5+1
summarize pdf#120
web#27+23
discover#31−1
summarize website#47+5
details#67new
web page#69+30
pdf#82−9
chatgpt pdf#88−14

Version history

138 versions recorded
2.1.44 Sep 2026
2.1.25 Aug 2026
2.1.030 Jul 2026
2.0.223 Jul 2026
2.0.014 Jul 2026
1.3.020 May 2026
1.2.1916 Apr 2026
1.2.1820 Dec 2025

Details

Category
Tools
First seen
3 Mar 2021
Size
1.7 MB
Languages
en-US
Pricing
in_app
Privacy policy
glasp.co
Support
glasp.co
Extension ID
blillmbchncajnhkjfdnincfndboieik

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
activeTabcontextMenustabsstorage
Site access
*://*/*
Can read and change data on every website you visit.

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