Ext Ops Panel
Open dashboard

WhatFont

Chrome extension by Chengyin Liu · Productivity · Developer

  • Featured
  • Established publisher

A Chrome extension in Productivity · Developer with 3 000 000 users, one of the largest listings in the store. Audience over the last 30 days: unchanged.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 4 screenshots

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

Users
3 000 000
Rating
3.8 (2 058 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 1 000 000, so it moves only between steps)
Rating, last 30 days
-0.17 in 30 days
Version
3.3.0
Updated in the store
2026-10-12
Published
2011-04-13
Manifest
V3
Browser access
3 permissions

How it has moved

Users
unchanged since 02.10
3M · 7 readings
2026-10-13: released 3.3.0
  1. 2026-10-043M
  2. 2026-10-083M
  3. 2026-10-133Mreleased 3.3.0
  4. 2026-10-143M
  5. 2026-10-183M
  6. 2026-10-283M
  7. 2026-11-013M
Rating
-0.17 since 02.10
reviewsrating 3.84-4.01 · 7 readings
2026-10-13: released 3.3.0
  1. 2026-10-04reviews2.1krating4.01
  2. 2026-10-08reviews2.1krating4.01
  3. 2026-10-13reviews2.1krating4.01released 3.3.0
  4. 2026-10-14reviews2.1krating3.84
  5. 2026-10-18reviews2.1krating3.84
  6. 2026-10-28reviews2.1krating3.84
  7. 2026-11-01reviews2.1krating3.84
Users
unchanged since 31.08
3M · 12 readings
2026-10-13: released 3.3.0
  1. 2026-08-313M
  2. 2026-09-023M
  3. 2026-09-063M
  4. 2026-09-133M
  5. 2026-09-253M
  6. 2026-10-043M
  7. 2026-10-083M
  8. 2026-10-133Mreleased 3.3.0
  9. 2026-10-143M
  10. 2026-10-183M
  11. 2026-10-283M
  12. 2026-11-013M
Rating
-0.17 since 31.08
reviewsrating 3.84-4.01 · 12 readings
2026-10-13: released 3.3.0
  1. 2026-08-31reviews2.1krating4.01
  2. 2026-09-02reviews2.1krating4.01
  3. 2026-09-06reviews2.1krating4.01
  4. 2026-09-13reviews2.1krating4.01
  5. 2026-09-25reviews2.1krating4.01
  6. 2026-10-04reviews2.1krating4.01
  7. 2026-10-08reviews2.1krating4.01
  8. 2026-10-13reviews2.1krating4.01released 3.3.0
  9. 2026-10-14reviews2.1krating3.84
  10. 2026-10-18reviews2.1krating3.84
  11. 2026-10-28reviews2.1krating3.84
  12. 2026-11-01reviews2.1krating3.84

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 3.3.0 · Asked for more permissions (3, was 2) (changed: browser permissions)

What changed recently

  1. Package size changed
  2. Asked for more permissions (3, was 2) (changed: browser permissions)
  3. Store description rewritten
Show the remaining 1
  1. Released version 3.3.0 (was 3.2.0)

The publisher

Chengyin Liu. Listed website: chengyinliu.com.

Like this one

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

  1. WhatFont - Font Identifier Describes nearly the same job, smaller audience 17 users
  2. Font Finder - What Font & Identify Font Describes nearly the same job, smaller audience 1k users ★ 5.0
  3. Font Checker — Font & CSS Inspector Describes nearly the same job, smaller audience 48 users
  4. Font Finder - Typography Inspector Describes nearly the same job, smaller audience 12 users
  5. Font Finder — Inspect Fonts, CSS & Google Fonts Describes nearly the same job, smaller audience 10 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/jabopobgcpjmedljpbcaablpmlmfcogm/badge.svg)](https://extops.dev/extensions/jabopobgcpjmedljpbcaablpmlmfcogm)

HTML

<a href="https://extops.dev/extensions/jabopobgcpjmedljpbcaablpmlmfcogm"><img src="https://extops.dev/extensions/jabopobgcpjmedljpbcaablpmlmfcogm/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-28. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built