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GlyphProbe — Web Font Inspector & Audit

Chrome extension by cwsbuilderslab · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 3 users, barely installed.

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

What the developer says, and 3 screenshots

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

Users
3 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 18 days
+3
Version
1.0.0
Updated in the store
2026-06-23
Published
2026-06-23
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+3 since 31.08
0-3 · 6 readings
  1. 2026-08-310
  2. 2026-09-033
  3. 2026-09-063
  4. 2026-09-093
  5. 2026-09-100
  6. 2026-09-173
Users
+3 since 31.08
0-3 · 6 readings
  1. 2026-08-310
  2. 2026-09-033
  3. 2026-09-063
  4. 2026-09-093
  5. 2026-09-100
  6. 2026-09-173

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

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

What changed recently

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

The publisher

cwsbuilderslab publishes 17 listings we track, 261 users between them.

  1. AutoplayOff — Stop Autoplay Videos cwsbuilderslab · Productivity · Tools · published 2026-06-21 73 users ★ 3.7
  2. HARScope — Offline HAR Viewer cwsbuilderslab · Productivity · Tools · published 2026-06-17 42 users
  3. PixelSwap — WebP & AVIF to PNG / JPG cwsbuilderslab · Productivity · Tools · published 2026-06-18 38 users
Show 5 more from this publisher
  1. CookieJar — Cookie Backup & Restore cwsbuilderslab · Productivity · Tools · published 2026-06-21 36 users
  2. PriceLens — Currency Converter cwsbuilderslab · Lifestyle · Shopping · published 2026-06-22 12 users
  3. ScrollPerch — Scroll to Top Button cwsbuilderslab · Productivity · Tools · published 2026-06-28 11 users
  4. Rephrasr — AI Rewrite & Paraphrase cwsbuilderslab · Productivity · Tools · published 2026-06-24 7 users (last published figure) ★ 5.0
  5. ContrastGuard: WCAG Contrast Checker & Report cwsbuilderslab · Productivity · Developer · published 2026-06-23 7 users

Like this one

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

  1. FontSniffer Describes nearly the same job, smaller audience 4 users
  2. FontSwap Describes nearly the same job, smaller audience 310 users
  3. Unused Font Finder Describes nearly the same job, smaller audience 65 users
  4. Font Inspector – Font Finder for Any Website Describes nearly the same job, smaller audience 827 users ★ 4.0
  5. Typical Describes nearly the same job, smaller audience 43 users ★ 5.0

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?

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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.