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Glasp Web Highlighter: PDF & Web Highlight

Chrome extension by Glasp · Productivity · Tools

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  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 500 000 users, a widely installed extension.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
500 000
Rating
4.5 (984 ratings)
Users, last 9 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
2.1.4
Updated in the store
2026-09-04
Published
2020-10-24
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
500k · 5 readings
2026-09-04: released 2.1.4
  1. 2026-09-01500k
  2. 2026-09-02500k
  3. 2026-09-03500k
  4. 2026-09-04500kreleased 2.1.4
  5. 2026-09-09500k
Rating
unchanged since 01.09
reviewsrating 4.45-4.46 · 5 readings
2026-09-04: released 2.1.4
  1. 2026-09-01reviews981rating4.46
  2. 2026-09-02reviews982rating4.46
  3. 2026-09-03reviews983rating4.46
  4. 2026-09-04reviews984rating4.45released 2.1.4
  5. 2026-09-09reviews984rating4.45
Users
unchanged since 01.09
500k · 5 readings
2026-09-04: released 2.1.4
  1. 2026-09-01500k
  2. 2026-09-02500k
  3. 2026-09-03500k
  4. 2026-09-04500kreleased 2.1.4
  5. 2026-09-09500k
Rating
unchanged since 01.09
reviewsrating 4.45-4.46 · 5 readings
2026-09-04: released 2.1.4
  1. 2026-09-01reviews981rating4.46
  2. 2026-09-02reviews982rating4.46
  3. 2026-09-03reviews983rating4.46
  4. 2026-09-04reviews984rating4.45released 2.1.4
  5. 2026-09-09reviews984rating4.45

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.1.4

What changed recently

  1. Released version 2.1.4 (was 2.1.2)

The publisher

Glasp publishes 5 listings we track, 2.6M users between them. Listed website: glasp.co.

  1. YouTube Summary with ChatGPT & Claude Glasp · Productivity · Tools · published 2022-12-16 2.0M users ★ 4.3
  2. YouTube Summary & ChatGPT by Glasp Glasp · Productivity · Tools · published 2022-12-05 100k users ★ 3.9
  3. Pins Peep 👀 Glasp · Productivity · Tools · published 2021-03-02 141 users ★ 5.0
Show 1 more from this publisher
  1. Tweet Peep 👀 Glasp · Productivity · Tools · published 2021-02-23 131 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Web Highlighter - Highlight Text, Annotate & Take Notes with AI Describes nearly the same job, smaller audience 1k users ★ 4.5
  2. Nalanda: Web Highlighter & Dashboard Describes nearly the same job, smaller audience 12 users ★ 5.0
  3. HiglighterAI Describes nearly the same job, smaller audience 7 users ★ 5.0
  4. MarkerWise Describes nearly the same job, smaller audience 5 users
  5. Mind Palace Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.