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HzDetect - A4 Tuning Analyzer

Chrome extension by SYQEL INC · Lifestyle · Well Being

  • Established publisher
  • Trader

A Chrome extension in Lifestyle · Well Being with 347 users, barely installed. Audience over the last 30 days: -81.

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

What the developer says, and 5 screenshots

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

Users
347
Rating
2.3 (3 ratings)
Users, last 30 days
-81
Rating, last 30 days
Steady over 30 days
Version
2.0.2
Updated in the store
2026-10-29
Published
2025-11-03
Manifest
V3
Browser access
5 permissions

How it has moved

Users
-81 since 16.10
346-445 · 18 readings
2026-10-28: released 2.0.02026-10-29: released 2.0.2
  1. 2026-10-16428
  2. 2026-10-18426
  3. 2026-10-19433
  4. 2026-10-21432
  5. 2026-10-22433
  6. 2026-10-23436
  7. 2026-10-24440
  8. 2026-10-25445
  9. 2026-10-27440
  10. 2026-10-29432released 2.0.2
  11. 2026-11-01433
  12. 2026-11-06398
  13. 2026-11-07358
  14. 2026-11-08349
  15. 2026-11-09347
  16. 2026-11-10346
  17. 2026-11-14347
  18. 2026-11-15347
Rating
unchanged since 16.10
reviewsrating 2.33 · 18 readings
2026-10-28: released 2.0.02026-10-29: released 2.0.2
  1. 2026-10-16reviews3rating2.33
  2. 2026-10-18reviews3rating2.33
  3. 2026-10-19reviews3rating2.33
  4. 2026-10-21reviews3rating2.33
  5. 2026-10-22reviews3rating2.33
  6. 2026-10-23reviews3rating2.33
  7. 2026-10-24reviews3rating2.33
  8. 2026-10-25reviews3rating2.33
  9. 2026-10-27reviews3rating2.33
  10. 2026-10-29reviews3rating2.33released 2.0.2
  11. 2026-11-01reviews3rating2.33
  12. 2026-11-06reviews3rating2.33
  13. 2026-11-07reviews3rating2.33
  14. 2026-11-08reviews3rating2.33
  15. 2026-11-09reviews3rating2.33
  16. 2026-11-10reviews3rating2.33
  17. 2026-11-14reviews3rating2.33
  18. 2026-11-15reviews3rating2.33
Users
-26 since 01.09
346-445 · 37 readings
2026-10-28: released 2.0.02026-10-29: released 2.0.2
  1. 2026-09-01373
  2. 2026-09-03370
  3. 2026-09-04373
  4. 2026-09-05370
  5. 2026-09-06378
  6. 2026-09-07379
  7. 2026-09-08380
  8. 2026-09-10381
  9. 2026-09-13374
  10. 2026-09-15378
  11. 2026-09-17375
  12. 2026-09-21387
  13. 2026-09-26396
  14. 2026-09-28391
  15. 2026-10-04415
  16. 2026-10-08410
  17. 2026-10-09411
  18. 2026-10-10419
  19. 2026-10-13421
  20. 2026-10-16428
  21. 2026-10-18426
  22. 2026-10-19433
  23. 2026-10-21432
  24. 2026-10-22433
  25. 2026-10-23436
  26. 2026-10-24440
  27. 2026-10-25445
  28. 2026-10-27440
  29. 2026-10-29432released 2.0.2
  30. 2026-11-01433
  31. 2026-11-06398
  32. 2026-11-07358
  33. 2026-11-08349
  34. 2026-11-09347
  35. 2026-11-10346
  36. 2026-11-14347
  37. 2026-11-15347
Rating
unchanged since 01.09
reviewsrating 2.33 · 37 readings
2026-10-28: released 2.0.02026-10-29: released 2.0.2
  1. 2026-09-01reviews3rating2.33
  2. 2026-09-03reviews3rating2.33
  3. 2026-09-04reviews3rating2.33
  4. 2026-09-05reviews3rating2.33
  5. 2026-09-06reviews3rating2.33
  6. 2026-09-07reviews3rating2.33
  7. 2026-09-08reviews3rating2.33
  8. 2026-09-10reviews3rating2.33
  9. 2026-09-13reviews3rating2.33
  10. 2026-09-15reviews3rating2.33
  11. 2026-09-17reviews3rating2.33
  12. 2026-09-21reviews3rating2.33
  13. 2026-09-26reviews3rating2.33
  14. 2026-09-28reviews3rating2.33
  15. 2026-10-04reviews3rating2.33
  16. 2026-10-08reviews3rating2.33
  17. 2026-10-09reviews3rating2.33
  18. 2026-10-10reviews3rating2.33
  19. 2026-10-13reviews3rating2.33
  20. 2026-10-16reviews3rating2.33
  21. 2026-10-18reviews3rating2.33
  22. 2026-10-19reviews3rating2.33
  23. 2026-10-21reviews3rating2.33
  24. 2026-10-22reviews3rating2.33
  25. 2026-10-23reviews3rating2.33
  26. 2026-10-24reviews3rating2.33
  27. 2026-10-25reviews3rating2.33
  28. 2026-10-27reviews3rating2.33
  29. 2026-10-29reviews3rating2.33released 2.0.2
  30. 2026-11-01reviews3rating2.33
  31. 2026-11-06reviews3rating2.33
  32. 2026-11-07reviews3rating2.33
  33. 2026-11-08reviews3rating2.33
  34. 2026-11-09reviews3rating2.33
  35. 2026-11-10reviews3rating2.33
  36. 2026-11-14reviews3rating2.33
  37. 2026-11-15reviews3rating2.33

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.

Show the remaining 2

The full permission history for this extension

Version history

  1. Version 2.0.2 · Asked for more permissions (5, was 4) (changed: browser permissions)
  2. Version 2.0.0 · Swapped which permissions it asks for (changed: site access, pages it runs its code on, browser permissions)

What changed recently

  1. Package size changed
  2. Asked for more permissions (5, was 4) (changed: browser permissions)
  3. Store description rewritten (117 → 118 characters)
Show the remaining 6
  1. Renamed from "HZ Detect - A4 Tuning Analyzer" to "HzDetect - A4 Tuning Analyzer"
  2. Released version 2.0.2 (was 2.0.0)
  3. Package size changed
  4. Swapped which permissions it asks for (changed: site access, pages it runs its code on, browser permissions)
  5. Store description rewritten (61 → 117 characters)
  6. Released version 2.0.0 (was 1.0.1)

The publisher

SYQEL INC publishes 3 listings we track, 1k users between them. Listed website: hzdetect.com.

  1. Music ReTuner™ SYQEL INC · Lifestyle · Well Being · published 2025-04-15 861 users ★ 4.1
  2. YouTube™ Binaural Retuner SYQEL INC · Lifestyle · Well Being · published 2025-06-11 60 users ★ 5.0

Like this one

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

  1. Hertz Detector Describes nearly the same job, smaller audience 181 users ★ 1.0
  2. 432Hz Audio Converter Describes nearly the same job, smaller audience 15 users ★ 5.0
  3. 432Hz Converter: Real-Time Pitch & Frequency Converter (432Hz 528Hz & More) Describes nearly the same job, smaller audience 3k users ★ 4.7
  4. Solfeggio Frequency Converter Describes nearly the same job, smaller audience 12 users ★ 5.0
  5. AudioLUFS - Chrome Audio Analyzer (By Chaotikk) Describes nearly the same job, smaller audience 22 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.

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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 2026-11-14. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built