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JSON All-in-One

Chrome extension by Professor JSON · Productivity · Developer

A Chrome extension in Productivity · Developer with 24 users, barely installed. Audience over the last 30 days: +1.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 5 screenshots

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

Users
24
Rating
5.0 (5 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.0.10
Updated in the store
2026-10-11
Published
2026-08-28
Manifest
V3
Browser access
7 permissions, 3 site patterns

How it has moved

Users
+1 since 01.10
19-25 · 17 readings
2026-10-04: released 1.0.92026-10-12: released 1.0.10
  1. 2026-10-0521
  2. 2026-10-0819
  3. 2026-10-0920
  4. 2026-10-1121
  5. 2026-10-1320
  6. 2026-10-1621
  7. 2026-10-1723
  8. 2026-10-1822
  9. 2026-10-1921
  10. 2026-10-2024
  11. 2026-10-2123
  12. 2026-10-2224
  13. 2026-10-2525
  14. 2026-10-2823
  15. 2026-10-2925
  16. 2026-10-3024
  17. 2026-10-3124
Rating
unchanged since 01.10
reviewsrating 5.00 · 17 readings
2026-10-04: released 1.0.92026-10-12: released 1.0.10
  1. 2026-10-05reviews5rating5.00
  2. 2026-10-08reviews5rating5.00
  3. 2026-10-09reviews5rating5.00
  4. 2026-10-11reviews5rating5.00
  5. 2026-10-13reviews5rating5.00
  6. 2026-10-16reviews5rating5.00
  7. 2026-10-17reviews5rating5.00
  8. 2026-10-18reviews5rating5.00
  9. 2026-10-19reviews5rating5.00
  10. 2026-10-20reviews5rating5.00
  11. 2026-10-21reviews5rating5.00
  12. 2026-10-22reviews5rating5.00
  13. 2026-10-25reviews5rating5.00
  14. 2026-10-28reviews5rating5.00
  15. 2026-10-29reviews5rating5.00
  16. 2026-10-30reviews5rating5.00
  17. 2026-10-31reviews5rating5.00
Users
+18 since 01.09
6-25 · 29 readings
2026-09-22: released 1.0.42026-09-23: released 1.0.52026-09-28: released 1.0.62026-09-29: released 1.0.72026-10-04: released 1.0.92026-10-12: released 1.0.10
  1. 2026-09-016
  2. 2026-09-036
  3. 2026-09-049
  4. 2026-09-068
  5. 2026-09-089
  6. 2026-09-108
  7. 2026-09-1311
  8. 2026-09-1513
  9. 2026-09-1718
  10. 2026-09-2016
  11. 2026-09-2519
  12. 2026-09-2623
  13. 2026-10-0521
  14. 2026-10-0819
  15. 2026-10-0920
  16. 2026-10-1121
  17. 2026-10-1320
  18. 2026-10-1621
  19. 2026-10-1723
  20. 2026-10-1822
  21. 2026-10-1921
  22. 2026-10-2024
  23. 2026-10-2123
  24. 2026-10-2224
  25. 2026-10-2525
  26. 2026-10-2823
  27. 2026-10-2925
  28. 2026-10-3024
  29. 2026-10-3124
Rating
+5.00 since 01.09
reviewsrating 0.00-5.00 · 29 readings
2026-09-22: released 1.0.42026-09-23: released 1.0.52026-09-28: released 1.0.62026-09-29: released 1.0.72026-10-04: released 1.0.92026-10-12: released 1.0.10
  1. 2026-09-01reviews0rating0.00
  2. 2026-09-03reviews4rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-06reviews5rating5.00
  5. 2026-09-08reviews5rating5.00
  6. 2026-09-10reviews5rating5.00
  7. 2026-09-13reviews5rating5.00
  8. 2026-09-15reviews5rating5.00
  9. 2026-09-17reviews5rating5.00
  10. 2026-09-20reviews5rating5.00
  11. 2026-09-25reviews5rating5.00
  12. 2026-09-26reviews5rating5.00
  13. 2026-10-05reviews5rating5.00
  14. 2026-10-08reviews5rating5.00
  15. 2026-10-09reviews5rating5.00
  16. 2026-10-11reviews5rating5.00
  17. 2026-10-13reviews5rating5.00
  18. 2026-10-16reviews5rating5.00
  19. 2026-10-17reviews5rating5.00
  20. 2026-10-18reviews5rating5.00
  21. 2026-10-19reviews5rating5.00
  22. 2026-10-20reviews5rating5.00
  23. 2026-10-21reviews5rating5.00
  24. 2026-10-22reviews5rating5.00
  25. 2026-10-25reviews5rating5.00
  26. 2026-10-28reviews5rating5.00
  27. 2026-10-29reviews5rating5.00
  28. 2026-10-30reviews5rating5.00
  29. 2026-10-31reviews5rating5.00

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

Every site you visit. This extension can read and change the content of any page you open.

Show the remaining 4

The full permission history for this extension

Version history

  1. Version 1.0.10
  2. Version 1.0.9
  3. Version 1.0.7
Show the remaining 3
  1. Version 1.0.6
  2. Version 1.0.5
  3. Version 1.0.4

What changed recently

  1. Package size changed
  2. Released version 1.0.10 (was 1.0.9)
  3. Store description rewritten
Show the remaining 7
  1. Renamed from "JSON All-in-One: JSON, JSONC formatter, viewer, beautifier, compare, export" to "JSON All-in-One"
  2. Released version 1.0.9 (was 1.0.7)
  3. Released version 1.0.7 (was 1.0.6)
  4. Released version 1.0.6 (was 1.0.5)
  5. Released version 1.0.5 (was 1.0.4)
  6. Package size changed
  7. Released version 1.0.4 (was 1.0.3)

The publisher

Professor JSON. Listed website: json-all-in-one.dev.

Like this one

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

  1. JSON Editor Describes nearly the same job, smaller audience 2k users ★ 3.6
  2. TrueJson Extension Describes nearly the same job, smaller audience 7 users
  3. DevJSON — Formatter, Converter & AI Describes nearly the same job, smaller audience 11 users
  4. JSON Copilot — JSON Formatter & Editor Describes nearly the same job, smaller audience 10 users ★ 5.0
  5. JSON Swiss Describes nearly the same job, smaller audience 9 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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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HTML

<a href="https://extops.dev/extensions/gjcjgbhocdlnhnmiddkhkiobnjaffmin"><img src="https://extops.dev/extensions/gjcjgbhocdlnhnmiddkhkiobnjaffmin/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built