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Chrome extension by Keller · Productivity · Tools

A Chrome extension in Productivity · Tools with 328 users, barely installed. Audience over the last 30 days: -7.

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
328
Rating
5.0 (1 ratings)
Users, last 30 days
-7
Rating, last 30 days
Steady over 30 days
Version
0.1.5
Updated in the store
2026-01-21
Published
2019-09-30
Manifest
V3
Browser access
1 permission

How it has moved

Users
-7 since 02.10
328-345 · 19 readings
  1. 2026-10-04340
  2. 2026-10-08337
  3. 2026-10-09338
  4. 2026-10-10343
  5. 2026-10-11342
  6. 2026-10-13337
  7. 2026-10-16340
  8. 2026-10-17334
  9. 2026-10-18335
  10. 2026-10-20334
  11. 2026-10-21330
  12. 2026-10-22337
  13. 2026-10-23338
  14. 2026-10-24340
  15. 2026-10-25342
  16. 2026-10-28345
  17. 2026-10-29333
  18. 2026-10-30337
  19. 2026-11-01328
Rating
unchanged since 02.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-11reviews1rating5.00
  6. 2026-10-13reviews1rating5.00
  7. 2026-10-16reviews1rating5.00
  8. 2026-10-17reviews1rating5.00
  9. 2026-10-18reviews1rating5.00
  10. 2026-10-20reviews1rating5.00
  11. 2026-10-21reviews1rating5.00
  12. 2026-10-22reviews1rating5.00
  13. 2026-10-23reviews1rating5.00
  14. 2026-10-24reviews1rating5.00
  15. 2026-10-25reviews1rating5.00
  16. 2026-10-28reviews1rating5.00
  17. 2026-10-29reviews1rating5.00
  18. 2026-10-30reviews1rating5.00
  19. 2026-11-01reviews1rating5.00
Users
+1 since 31.08
320-353 · 34 readings
  1. 2026-08-31327
  2. 2026-09-03328
  3. 2026-09-05333
  4. 2026-09-06331
  5. 2026-09-07326
  6. 2026-09-08320
  7. 2026-09-09324
  8. 2026-09-13328
  9. 2026-09-15331
  10. 2026-09-17333
  11. 2026-09-20344
  12. 2026-09-21353
  13. 2026-09-25347
  14. 2026-09-27340
  15. 2026-09-28335
  16. 2026-10-04340
  17. 2026-10-08337
  18. 2026-10-09338
  19. 2026-10-10343
  20. 2026-10-11342
  21. 2026-10-13337
  22. 2026-10-16340
  23. 2026-10-17334
  24. 2026-10-18335
  25. 2026-10-20334
  26. 2026-10-21330
  27. 2026-10-22337
  28. 2026-10-23338
  29. 2026-10-24340
  30. 2026-10-25342
  31. 2026-10-28345
  32. 2026-10-29333
  33. 2026-10-30337
  34. 2026-11-01328
Rating
unchanged since 31.08
reviewsrating 5.00 · 34 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-17reviews1rating5.00
  11. 2026-09-20reviews1rating5.00
  12. 2026-09-21reviews1rating5.00
  13. 2026-09-25reviews1rating5.00
  14. 2026-09-27reviews1rating5.00
  15. 2026-09-28reviews1rating5.00
  16. 2026-10-04reviews1rating5.00
  17. 2026-10-08reviews1rating5.00
  18. 2026-10-09reviews1rating5.00
  19. 2026-10-10reviews1rating5.00
  20. 2026-10-11reviews1rating5.00
  21. 2026-10-13reviews1rating5.00
  22. 2026-10-16reviews1rating5.00
  23. 2026-10-17reviews1rating5.00
  24. 2026-10-18reviews1rating5.00
  25. 2026-10-20reviews1rating5.00
  26. 2026-10-21reviews1rating5.00
  27. 2026-10-22reviews1rating5.00
  28. 2026-10-23reviews1rating5.00
  29. 2026-10-24reviews1rating5.00
  30. 2026-10-25reviews1rating5.00
  31. 2026-10-28reviews1rating5.00
  32. 2026-10-29reviews1rating5.00
  33. 2026-10-30reviews1rating5.00
  34. 2026-11-01reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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.

  • 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

Keller publishes 20 listings we track, 551k users between them.

  1. Speech to Text (Voice Recognition) Keller · Productivity · Tools · published 2019-05-21 300k users ★ 3.4
  2. WebGL Fingerprint Defender Keller · Make Chrome Yours · Privacy · published 2019-06-03 60k users ★ 3.5
  3. Font Fingerprint Defender Keller · Make Chrome Yours · Privacy · published 2019-08-28 50k users ★ 3.5
Show 5 more from this publisher
  1. Page Edit Keller · Productivity · Developer · published 2019-12-01 30k users ★ 4.6
  2. Dark New Tab Keller · Productivity · Tools · published 2019-10-13 30k users ★ 4.3
  3. LaTeX Editor Keller · Productivity · Tools · published 2019-09-18 20k users ★ 4.3
  4. Sound Adjustment Keller · Productivity · Tools · published 2019-06-09 20k users ★ 4.2
  5. GIF Maker Keller · Lifestyle · Art · published 2019-12-15 10k users ★ 3.2

Like this one

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

  1. Doctor-Certified Eye Care & Vision Assistant Describes nearly the same job, smaller audience 2 users (last published figure)
  2. Color Blind Test - Fast & Accurate by BlindnessTest Describes nearly the same job, smaller audience 29 users ★ 5.0
  3. Whitescreen: Display Test Tools Describes nearly the same job, smaller audience 5 users
  4. Simulator of visual impairments Describes nearly the same job, smaller audience 709 users ★ 3.4
  5. Reaction Time Test Describes nearly the same job, smaller audience 39 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.

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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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built