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Glasp Web Highlighter: PDF & Web Highlight icon

Glasp Web Highlighter Chrome Extension Analysis

AI & Writing Assistants

Store listing title: Glasp Web Highlighter: PDF & Web Highlight

Chrome extension ID: blillmbchncajnhkjfdnincfndboieik

A Chrome extension for highlighting and annotating content across websites, PDFs, and YouTube videos. It integrates with AI models like ChatGPT and Claude to provide summaries and allows users to sync highlights from Kindle and export them to note-taking apps.

Developer:Glasp
Version:1.3.0
Size:2.53MiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

500K+

Rating

★ 4.5

967 reviews

Languages

1 locales

Includes English (United States)

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

AI & Writing Assistants

Pricing friction

Moderate review signal

Complaint intensity

High review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

Glasp positions itself as a social knowledge curation tool that allows users to highlight, save, and organize insights from the web, PDFs, and YouTube. It emphasizes building a personal digital legacy and learning from a community of like-minded curators using AI-powered summarization.

Inferred product pattern

AI-enhanced social bookmarking and knowledge curation tool.

Review-backed pain points

Users report frequent failures in retrieving YouTube transcripts, specifically for YouTube Shorts, and express frustration over AI summary features being locked behind a Pro subscription despite the listing claiming to be free.

Observed feature gaps

Weak Obsidian integration, limited editing options for generated summaries, and unstable login redirection.

Tags
Web HighlighterAI SummarizerKnowledge ManagementPDF AnnotatorYouTube Summary
Target users

- Researchers

- Students

- Content Writers

- Knowledge Curators

- Avid Readers

Primary use cases

- Summarizing YouTube videos

- Highlighting and organizing web articles

- Annotating PDF files

- Syncing Kindle highlights

- Building a shared knowledge base

Positive themes

- Assistance in building knowledge databases

- Utility for students despite subscription limits

Negative themes

- Broken YouTube transcription functionality

- Misleading claims regarding free access

- Poor third-party integration

- Authentication and login bugs

Observed friction

- Free-tier complaints detected

- Performance complaints detected

- Users feel deceived by the 'free' marketing, noting that core AI features are restricted to Pro users.

Evidence boundary: Analysis based on the store listing and a sample of 11 reviews containing multi-language feedback. The provided review samples are heavily skewed toward low and neutral ratings, missing high-rating sentiment data.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Reports of login/sign-up bugs causing the page to hang without clear resolution.

Reliability

Severe reliability issues with YouTube transcription features, with multiple users stating the service is currently broken or unavailable.

Privacy

No privacy complaints observed in the provided data.

Access & pricing

- Free entry with paid features

- Account required for core usage

- Limited free usage observed

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 1

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

- Official website

- Support link

Store metadata

- Version: 1.3.0

- Size: 2.53MiB

- Last updated:

Store description excerpt
Short excerpt from the public Chrome Web Store listing; full copy is available on the official store page.
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 c…

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

web highlighterpdf highlighteryoutube summary aiknowledge management extension

Comparison

Glasp vs PocketGlasp vs Raindropbest youtube summarizer

Problem

how to summarize youtube videossave web highlightsorganize online research

Alternative

youtube summary alternativesweb highlighter alternatives

Similar extensions

Jump to related discovery paths:

More in toolsMore from this developer

FAQ

What is Glasp Web Highlighter mainly used for?
A Chrome extension for highlighting and annotating content across websites, PDFs, and YouTube videos. It integrates with AI models like ChatGPT and Claude to provide summaries and allows users to sync highlights from Kindle and export them to note-taking apps.
What market signals stand out?
Established adoption with moderate review base. Last known update: 05/20/2026.
What should builders compare before entering this space?
Compare install concentration, rating quality, update recency, screenshots, developer portfolio, listing claims, and review-backed friction signals.
Is this page review-backed?
Backed by review samples. This page combines store metadata with selected review signals, while raw store metrics remain visible for comparison.

Screenshots

Glasp Web Highlighter: PDF & Web Highlight screenshot
Glasp Web Highlighter: PDF & Web Highlight screenshot
Glasp Web Highlighter: PDF & Web Highlight screenshot
Glasp Web Highlighter: PDF & Web Highlight screenshot
Glasp Web Highlighter: PDF & Web Highlight screenshot

Links

Website: glasp.co

Privacy policy: https://glasp.co/privacy-policy

Support links: https://blog.glasp.co/faqs/

Videos: Watch

Recommended Chrome extensions

Related listings from the same category, trending peers, and the same publisher portfolio.

Browse tools
YouTube Summary with ChatGPT & Claude icon

YouTube Summary with ChatGPT & Claude

Glasp

Summarize YouTube videos, web articles, and PDFs to save time, powered by ChatGPT, Claude, Mistral AI, and Gemini.

Installs

1.0M+

Rating

★ 4.3