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JSON Validator

Chrome extension by Stacey · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 906 users, barely installed. Audience over the last 30 days: +18.

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

What the developer says, and 1 screenshot

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

Users
906
Rating
not rated yet
Users, last 30 days
+18
Version
3.0.0
Updated in the store
2023-09-23
Published
2022-08-14
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
+18 since 01.10
883-911 · 19 readings
  1. 2026-10-04883
  2. 2026-10-08896
  3. 2026-10-09895
  4. 2026-10-10888
  5. 2026-10-11887
  6. 2026-10-13894
  7. 2026-10-16911
  8. 2026-10-18904
  9. 2026-10-19898
  10. 2026-10-20904
  11. 2026-10-21909
  12. 2026-10-22899
  13. 2026-10-23890
  14. 2026-10-24894
  15. 2026-10-25900
  16. 2026-10-28896
  17. 2026-10-29898
  18. 2026-10-30906
  19. 2026-10-31906
Users
+17 since 31.08
883-911 · 33 readings
  1. 2026-08-31889
  2. 2026-09-02904
  3. 2026-09-03909
  4. 2026-09-04903
  5. 2026-09-05896
  6. 2026-09-06893
  7. 2026-09-08892
  8. 2026-09-10900
  9. 2026-09-13896
  10. 2026-09-15901
  11. 2026-09-16900
  12. 2026-09-21897
  13. 2026-09-25886
  14. 2026-09-26888
  15. 2026-10-04883
  16. 2026-10-08896
  17. 2026-10-09895
  18. 2026-10-10888
  19. 2026-10-11887
  20. 2026-10-13894
  21. 2026-10-16911
  22. 2026-10-18904
  23. 2026-10-19898
  24. 2026-10-20904
  25. 2026-10-21909
  26. 2026-10-22899
  27. 2026-10-23890
  28. 2026-10-24894
  29. 2026-10-25900
  30. 2026-10-28896
  31. 2026-10-29898
  32. 2026-10-30906
  33. 2026-10-31906

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.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

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

The publisher

Stacey publishes 20 listings we track, 32k users between them.

  1. QR Code Scanner for Chrome™ Stacey · Productivity · Tools · published 2023-06-20 20k users ★ 3.6
  2. XML Validator Stacey · Productivity · Developer · published 2022-08-14 3k users ★ 4.3
  3. JSON to CSV Stacey · Productivity · Developer · published 2022-08-17 2k users ★ 4.0
Show 5 more from this publisher
  1. Random Number Generator Stacey · Productivity · Developer · published 2022-08-09 1k users ★ 5.0
  2. Keywords for YouTube™ Videos Stacey · Productivity · Workflow · published 2022-08-14 1k users ★ 3.8
  3. Lorem Ipsum Generator Stacey · Productivity · Developer · published 2022-08-09 956 users
  4. Javascript Formatter Stacey · Productivity · Developer · published 2022-08-10 864 users ★ 5.0
  5. SCSS to CSS Stacey · Productivity · Developer · published 2022-08-09 557 users ★ 3.0

Like this one

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

  1. Pro JSONLint Describes nearly the same job, smaller audience 206 users
  2. JSON Checker Describes nearly the same job, smaller audience 39 users ★ 5.0
  3. JSON Editor Describes nearly the same job, smaller audience 41 users ★ 5.0
  4. JSON-Helper Describes nearly the same job, smaller audience 9 users
  5. JSONView Describes nearly the same job, smaller audience 2k users ★ 4.6

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 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built