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JSON Toolkit

Chrome extension by korynomi · Productivity · Developer

A Chrome extension in Productivity · Developer with 221 users, barely installed.

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
221
Rating
5.0 (4 ratings)
Users, last 15 days
-23
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2025-12-05
Published
2025-11-21
Manifest
V3
Browser access
2 permissions

How it has moved

Users
-23 since 31.08
221-244 · 8 readings
  1. 2026-08-31244
  2. 2026-09-02235
  3. 2026-09-04236
  4. 2026-09-06234
  5. 2026-09-07237
  6. 2026-09-09229
  7. 2026-09-13221
  8. 2026-09-14221
Rating
unchanged since 31.08
reviewsrating 5.00 · 8 readings
  1. 2026-08-31reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-04reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-09reviews4rating5.00
  7. 2026-09-13reviews4rating5.00
  8. 2026-09-14reviews4rating5.00
Users
-23 since 31.08
221-244 · 8 readings
  1. 2026-08-31244
  2. 2026-09-02235
  3. 2026-09-04236
  4. 2026-09-06234
  5. 2026-09-07237
  6. 2026-09-09229
  7. 2026-09-13221
  8. 2026-09-14221
Rating
unchanged since 31.08
reviewsrating 5.00 · 8 readings
  1. 2026-08-31reviews4rating5.00
  2. 2026-09-02reviews4rating5.00
  3. 2026-09-04reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-09reviews4rating5.00
  7. 2026-09-13reviews4rating5.00
  8. 2026-09-14reviews4rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • Open a panel beside the page sidePanel
  • 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

korynomi publishes 8 listings we track, 858 users between them.

  1. Quick Char Count korynomi · Productivity · Developer · published 2025-10-10 268 users ★ 5.0
  2. TestDataGen korynomi · Productivity · Developer · published 2025-12-23 102 users
  3. LinkGuardian korynomi · Productivity · Developer · published 2025-12-09 81 users ★ 5.0
Show 4 more from this publisher
  1. CipherBloom korynomi · Productivity · Developer · published 2025-11-26 59 users
  2. PagePulse korynomi · Productivity · Developer · published 2025-12-16 45 users
  3. LumaFind korynomi · Productivity · Developer · published 2025-12-09 44 users ★ 4.0
  4. TechScope korynomi · Productivity · Developer · published 2025-12-02 38 users

Like this one

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

  1. Simple JSON Checker Describes nearly the same job, smaller audience 12 users ★ 5.0
  2. JSON-Tool Describes nearly the same job, smaller audience 18 users ★ 5.0
  3. JSON Magic Describes nearly the same job, smaller audience 8 users
  4. Just JSON Describes nearly the same job, smaller audience 20 users ★ 5.0
  5. JSON Debugger Describes nearly the same job, smaller audience 7 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.