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JSON MASTER - Offline JSON Beautifier & Viewer

Chrome extension by Ekaterina Egorova · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 90 users, barely installed. Audience over the last 30 days: +47.

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

What the developer says, and 2 screenshots

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

Users
90
Rating
5.0 (6 ratings)
Users, last 30 days
+47
Rating, last 30 days
Steady over 30 days
Version
1.3
Updated in the store
2025-05-28
Published
2025-05-05
Manifest
V3
Browser access
1 permission

How it has moved

Users
+47 since 02.10
43-90 · 16 readings
  1. 2026-10-0445
  2. 2026-10-0843
  3. 2026-10-0947
  4. 2026-10-1046
  5. 2026-10-1149
  6. 2026-10-1947
  7. 2026-10-2048
  8. 2026-10-2149
  9. 2026-10-2248
  10. 2026-10-2450
  11. 2026-10-2549
  12. 2026-10-2648
  13. 2026-10-2849
  14. 2026-10-2951
  15. 2026-10-3053
  16. 2026-11-0190
Rating
unchanged since 02.10
reviewsrating 5.00 · 16 readings
  1. 2026-10-04reviews6rating5.00
  2. 2026-10-08reviews6rating5.00
  3. 2026-10-09reviews6rating5.00
  4. 2026-10-10reviews6rating5.00
  5. 2026-10-11reviews6rating5.00
  6. 2026-10-19reviews6rating5.00
  7. 2026-10-20reviews6rating5.00
  8. 2026-10-21reviews6rating5.00
  9. 2026-10-22reviews6rating5.00
  10. 2026-10-24reviews6rating5.00
  11. 2026-10-25reviews6rating5.00
  12. 2026-10-26reviews6rating5.00
  13. 2026-10-28reviews6rating5.00
  14. 2026-10-29reviews6rating5.00
  15. 2026-10-30reviews6rating5.00
  16. 2026-11-01reviews6rating5.00
Users
+43 since 01.09
43-90 · 28 readings
  1. 2026-09-0147
  2. 2026-09-0348
  3. 2026-09-0547
  4. 2026-09-0649
  5. 2026-09-0750
  6. 2026-09-0851
  7. 2026-09-1049
  8. 2026-09-1348
  9. 2026-09-1747
  10. 2026-09-2145
  11. 2026-09-2544
  12. 2026-09-2843
  13. 2026-10-0445
  14. 2026-10-0843
  15. 2026-10-0947
  16. 2026-10-1046
  17. 2026-10-1149
  18. 2026-10-1947
  19. 2026-10-2048
  20. 2026-10-2149
  21. 2026-10-2248
  22. 2026-10-2450
  23. 2026-10-2549
  24. 2026-10-2648
  25. 2026-10-2849
  26. 2026-10-2951
  27. 2026-10-3053
  28. 2026-11-0190
Rating
unchanged since 01.09
reviewsrating 5.00 · 28 readings
  1. 2026-09-01reviews6rating5.00
  2. 2026-09-03reviews6rating5.00
  3. 2026-09-05reviews6rating5.00
  4. 2026-09-06reviews6rating5.00
  5. 2026-09-07reviews6rating5.00
  6. 2026-09-08reviews6rating5.00
  7. 2026-09-10reviews6rating5.00
  8. 2026-09-13reviews6rating5.00
  9. 2026-09-17reviews6rating5.00
  10. 2026-09-21reviews6rating5.00
  11. 2026-09-25reviews6rating5.00
  12. 2026-09-28reviews6rating5.00
  13. 2026-10-04reviews6rating5.00
  14. 2026-10-08reviews6rating5.00
  15. 2026-10-09reviews6rating5.00
  16. 2026-10-10reviews6rating5.00
  17. 2026-10-11reviews6rating5.00
  18. 2026-10-19reviews6rating5.00
  19. 2026-10-20reviews6rating5.00
  20. 2026-10-21reviews6rating5.00
  21. 2026-10-22reviews6rating5.00
  22. 2026-10-24reviews6rating5.00
  23. 2026-10-25reviews6rating5.00
  24. 2026-10-26reviews6rating5.00
  25. 2026-10-28reviews6rating5.00
  26. 2026-10-29reviews6rating5.00
  27. 2026-10-30reviews6rating5.00
  28. 2026-11-01reviews6rating5.00

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

Ekaterina Egorova publishes 4 listings we track, 2k users between them.

  1. Barbie & Sparkle Theme Ekaterina Egorova · Colors · published 2025-10-15 2k users ★ 4.6
  2. DataDuck - Format and create test data offline Ekaterina Egorova · Productivity · Developer · published 2025-01-19 26 users ★ 5.0
  3. Command EXT - Extension Manager Ekaterina Egorova · Make Chrome Yours · Accessibility · published 2025-10-21 6 users

Like this one

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

  1. Json Ninja Describes nearly the same job, smaller audience 14 users ★ 5.0
  2. JSON Viewer Pro - Formatter Describes nearly the same job, smaller audience 52 users ★ 5.0
  3. JSON Formatter & Viewer Describes nearly the same job, smaller audience 3 users (last published figure) ★ 5.0
  4. JSON DevView Describes nearly the same job, smaller audience 9 users ★ 5.0
  5. JSON Parse Describes nearly the same job, smaller audience 31 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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Users and rating on Ext Ops Panel

Markdown

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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