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Font Scanner by Semalt

Chrome extension by Semalt company · Productivity · Tools

A Chrome extension in Productivity · Tools with 68 users, barely installed.

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

What the developer says, and 2 screenshots

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

Users
68
Rating
5.0 (1 ratings)
Users, last 11 days
+3
Rating, last 30 days
Not watched long enough to say
Version
3.0.0
Updated in the store
2025-11-16
Published
2025-11-16
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+3 since 31.08
65-68 · 7 readings
  1. 2026-08-3165
  2. 2026-09-0267
  3. 2026-09-0468
  4. 2026-09-0667
  5. 2026-09-0866
  6. 2026-09-0968
  7. 2026-09-1068
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
Users
+3 since 31.08
65-68 · 7 readings
  1. 2026-08-3165
  2. 2026-09-0267
  3. 2026-09-0468
  4. 2026-09-0667
  5. 2026-09-0866
  6. 2026-09-0968
  7. 2026-09-1068
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-10reviews1rating5.00

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
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Semalt company publishes 9 listings we track, 12k users between them. Listed website: semalt.com.

  1. Website Ranking and SEO Checker by Semalt Semalt company · Productivity · Tools · published 2018-09-17 10k users ★ 4.8
  2. Free SEO Audit & Website Checker by Semalt Semalt company · Productivity · Tools · published 2022-10-30 1k users ★ 4.7
  3. Google™ SERP Simulator by Semalt Semalt company · Productivity · Tools · published 2023-07-12 1k users ★ 4.8
Show 5 more from this publisher
  1. User-Agent Switcher by Semalt Semalt company · Productivity · Tools · published 2025-09-08 133 users ★ 4.3
  2. Cache Cleaner by Semalt Semalt company · Productivity · Tools · published 2025-09-19 61 users ★ 5.0
  3. Website Tech Scanner by Semalt Semalt company · Productivity · Developer · published 2025-11-11 44 users ★ 5.0
  4. Multi URL Opener by Semalt Semalt company · Productivity · Tools · published 2025-09-19 43 users ★ 5.0
  5. Trustburn Semalt company · Lifestyle · Social · published 2021-05-15 34 users ★ 3.0

Like this one

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

  1. Font Checker — Font & CSS Inspector Describes nearly the same job, smaller audience 31 users
  2. FontPeek Describes nearly the same job, smaller audience 7 users
  3. Font Finder for Web Describes nearly the same job, smaller audience 820 users ★ 4.0
  4. Slash Mark – Fontstyle Checker Describes nearly the same job, smaller audience 6 users ★ 5.0
  5. Font Inspector 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.

Is this your extension?

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

See what the panel does

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.