Extension Tracker

Hypothesis - Web & PDF Annotation

300,000 users Rated 4.12 from 224 ratings Last updated 15 Apr 2026

By Hypothesis Live in the Chrome Web Store bjfhmglciegochdpefhhlphglcehbmek Last checked 26 Sep 2026, 22:33 UTC

The listing

What the Chrome Web Store shows, as of the last check

Collaboratively annotate, highlight, and tag web pages and PDF documents.Summary from the listing
Developer
Hypothesis
Trader status
Declared a trader under EU law
Category
Lifestyle › Social Networking
First published
4 May 2013
Last updated
15 Apr 2026
Version
1.1754.0.0 (Official Build)
Size
4.78 MiB
Minimum Chrome
88
Languages
1 language

English

Users over time As shown on the Chrome Web Store

Tracking began on 26 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-26300,0004.12224
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#645
by users, of 264,254 extensions
In its category
#30
of 7,019 in Social Networking

What changed

Every change found on a check, newest first

No changes found since tracking began on 26 Sep 2026.

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Browser features
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs
Asked for later, if you agree
  • webNavigationFollow your browsing, page by page

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 26 Sep 2026, 22:33 UTC; next check around 2 Oct 2026.

We don't copy descriptions, screenshots or developers' contact details. How we collect the data

Cite this page

Extension Tracker. “Hypothesis - Web & PDF Annotation” (bjfhmglciegochdpefhhlphglcehbmek). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/bjfhmglciegochdpefhhlphglcehbmek. Accessed 2026-09-27.
BibTeX
@misc{extensiontracker_bjfhmglciegochdpefhhlphglcehbmek,
  title   = {Hypothesis - Web & PDF Annotation (bjfhmglciegochdpefhhlphglcehbmek)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/bjfhmglciegochdpefhhlphglcehbmek},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.