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CyberChef

Chrome extension by AB · Productivity · Developer

  • Featured
  • Established publisher

A Chrome extension in Productivity · Developer with 1 000 users, a small but real audience.

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
1 000
Rating
5.0 (2 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.1.0
Updated in the store
2026-09-14
Published
2022-02-15
Manifest
V3
Browser access
5 permissions

How it has moved

Users
unchanged since 01.09
1k · 2 readings
2026-09-11: released 2.0.02026-09-14: released 3.1.0
  1. 2026-09-011k
  2. 2026-09-161k
Rating
unchanged since 01.09
reviewsrating 5.00 · 2 readings
2026-09-11: released 2.0.02026-09-14: released 3.1.0
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-16reviews2rating5.00
Users
unchanged since 01.09
1k · 2 readings
2026-09-11: released 2.0.02026-09-14: released 3.1.0
  1. 2026-09-011k
  2. 2026-09-161k
Rating
unchanged since 01.09
reviewsrating 5.00 · 2 readings
2026-09-11: released 2.0.02026-09-14: released 3.1.0
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-16reviews2rating5.00

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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 3.1.0
  2. Version 2.0.0 · Asked for more permissions (5, was 4)

What changed recently

  1. Package size changed
  2. Supported languages changed (1 → 1)
  3. Store description rewritten (125 → 108 characters)
Show the remaining 8
  1. Store badges changed
  2. Released version 3.1.0 (was 2.0.0)
  3. Package size changed
  4. Asked for more permissions (5, was 4)
  5. Store description rewritten (103 → 125 characters)
  6. Store badges changed
  7. Moved to another store category
  8. Released version 2.0.0 (was 1.0.8)

The publisher

AB publishes 3 listings we track, 1k users between them. Listed website: cyberchef.tools.

  1. Zwisper AB · Productivity · Communication · published 2022-06-08 119 users ★ 5.0
  2. Coeus AB · Productivity · Tools · published 2022-02-15 21 users ★ 5.0

Like this one

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

  1. CyberChef Describes nearly the same job, smaller audience 710 users
  2. Open in CyberChef Describes nearly the same job, smaller audience 759 users ★ 5.0
  3. EncodeDecode Describes nearly the same job, smaller audience 3 users
  4. Universal Decoder Extension Describes nearly the same job, smaller audience 3 users (last published figure)
  5. PureMark Detect Describes nearly the same job, smaller audience 3 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.

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.