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Book Tester

Chrome extension by Bryth · Productivity · Developer

A Chrome extension in Productivity · Developer with 18 users, barely installed. Audience over the last 30 days: +4.

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

What the developer says, and 1 screenshot

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

Users
18
Rating
not rated yet
Users, last 30 days
+4
Version
1.0.2
Updated in the store
2023-03-22
Published
2022-08-10
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+4 since 04.10
14-18 · 17 readings
  1. 2026-10-0414
  2. 2026-10-0915
  3. 2026-10-1014
  4. 2026-10-1617
  5. 2026-10-1716
  6. 2026-10-1817
  7. 2026-10-1915
  8. 2026-10-2016
  9. 2026-10-2215
  10. 2026-10-2416
  11. 2026-10-2514
  12. 2026-10-2615
  13. 2026-10-2816
  14. 2026-10-3017
  15. 2026-11-0116
  16. 2026-11-0218
  17. 2026-11-0318
Users
+3 since 31.08
12-18 · 32 readings
  1. 2026-08-3115
  2. 2026-09-0217
  3. 2026-09-0516
  4. 2026-09-0613
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-0914
  8. 2026-09-1313
  9. 2026-09-1514
  10. 2026-09-1612
  11. 2026-09-2013
  12. 2026-09-2112
  13. 2026-09-2516
  14. 2026-09-2617
  15. 2026-09-2816
  16. 2026-10-0414
  17. 2026-10-0915
  18. 2026-10-1014
  19. 2026-10-1617
  20. 2026-10-1716
  21. 2026-10-1817
  22. 2026-10-1915
  23. 2026-10-2016
  24. 2026-10-2215
  25. 2026-10-2416
  26. 2026-10-2514
  27. 2026-10-2615
  28. 2026-10-2816
  29. 2026-10-3017
  30. 2026-11-0116
  31. 2026-11-0218
  32. 2026-11-0318

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.

  • 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

Bryth publishes 2 listings we track, 29 users between them.

  1. Sign Tester Bryth · Productivity · Developer · published 2022-05-17 11 users

Like this one

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

  1. Sign Tester Describes nearly the same job, smaller audience 11 users
  2. GlobalLink Strings Chrome extension Describes nearly the same job, smaller audience 53 users ★ 5.0
  3. Document preview for Lokalise Describes nearly the same job, smaller audience 304 users ★ 5.0
  4. SimpleLocalize Describes nearly the same job, smaller audience 7 users
  5. Tolgee Tools Describes nearly the same job, smaller audience 3k users ★ 4.9

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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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built