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Simple JSON Checker

Chrome extension · Productivity · Developer

A Chrome extension in Productivity · Developer with 12 users, barely installed. Audience over the last 30 days: -1.

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
12
Rating
5.0 (4 ratings)
Users, last 30 days
-1
Rating, last 30 days
Steady over 30 days
Version
1.0.1
Updated in the store
2025-07-23
Published
2025-07-21
Manifest
V3
Browser access
3 permissions

How it has moved

Users
-1 since 02.10
11-13 · 14 readings
  1. 2026-10-0811
  2. 2026-10-0913
  3. 2026-10-1112
  4. 2026-10-1611
  5. 2026-10-1812
  6. 2026-10-1911
  7. 2026-10-2012
  8. 2026-10-2113
  9. 2026-10-2211
  10. 2026-10-2412
  11. 2026-10-2511
  12. 2026-10-2812
  13. 2026-10-3013
  14. 2026-11-0112
Rating
unchanged since 02.10
reviewsrating 5.00 · 14 readings
  1. 2026-10-08reviews4rating5.00
  2. 2026-10-09reviews4rating5.00
  3. 2026-10-11reviews4rating5.00
  4. 2026-10-16reviews4rating5.00
  5. 2026-10-18reviews4rating5.00
  6. 2026-10-19reviews4rating5.00
  7. 2026-10-20reviews4rating5.00
  8. 2026-10-21reviews4rating5.00
  9. 2026-10-22reviews4rating5.00
  10. 2026-10-24reviews4rating5.00
  11. 2026-10-25reviews4rating5.00
  12. 2026-10-28reviews4rating5.00
  13. 2026-10-30reviews4rating5.00
  14. 2026-11-01reviews4rating5.00
Users
+2 since 01.09
9-13 · 27 readings
  1. 2026-09-0110
  2. 2026-09-0211
  3. 2026-09-059
  4. 2026-09-0610
  5. 2026-09-079
  6. 2026-09-0812
  7. 2026-09-1011
  8. 2026-09-1312
  9. 2026-09-1513
  10. 2026-09-1711
  11. 2026-09-2012
  12. 2026-09-2111
  13. 2026-09-2713
  14. 2026-10-0811
  15. 2026-10-0913
  16. 2026-10-1112
  17. 2026-10-1611
  18. 2026-10-1812
  19. 2026-10-1911
  20. 2026-10-2012
  21. 2026-10-2113
  22. 2026-10-2211
  23. 2026-10-2412
  24. 2026-10-2511
  25. 2026-10-2812
  26. 2026-10-3013
  27. 2026-11-0112
Rating
unchanged since 01.09
reviewsrating 5.00 · 27 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-05reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-08reviews4rating5.00
  7. 2026-09-10reviews4rating5.00
  8. 2026-09-13reviews4rating5.00
  9. 2026-09-15reviews4rating5.00
  10. 2026-09-17reviews4rating5.00
  11. 2026-09-20reviews4rating5.00
  12. 2026-09-21reviews4rating5.00
  13. 2026-09-27reviews4rating5.00
  14. 2026-10-08reviews4rating5.00
  15. 2026-10-09reviews4rating5.00
  16. 2026-10-11reviews4rating5.00
  17. 2026-10-16reviews4rating5.00
  18. 2026-10-18reviews4rating5.00
  19. 2026-10-19reviews4rating5.00
  20. 2026-10-20reviews4rating5.00
  21. 2026-10-21reviews4rating5.00
  22. 2026-10-22reviews4rating5.00
  23. 2026-10-24reviews4rating5.00
  24. 2026-10-25reviews4rating5.00
  25. 2026-10-28reviews4rating5.00
  26. 2026-10-30reviews4rating5.00
  27. 2026-11-01reviews4rating5.00

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.

The full permission history for this extension

What changed recently

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

Like this one

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

  1. JSON Helper Describes nearly the same job, smaller audience 11 users ★ 5.0
  2. Pretty JSON Describes nearly the same job, smaller audience 70 users ★ 5.0
  3. JSON Formatter Everywhere Describes nearly the same job, smaller audience 8 users
  4. Better JSON Formatter Describes nearly the same job, smaller audience 17 users ★ 5.0
  5. JSON Toolbox by JSONBuddy Describes nearly the same job, smaller audience 2 users (last published figure)

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