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PromKatoo: AI Prompt Manager

Chrome extension by Hyunsang Joo · Productivity · Tools

A Chrome extension in Productivity · Tools with 4 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 3 screenshots

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

Users
4
Rating
not rated yet
Users, last 16 days
+1
Version
1.0.1
Updated in the store
2025-06-17
Published
2025-06-12
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+1 since 31.08
0-4 · 7 readings
  1. 2026-08-313
  2. 2026-09-024
  3. 2026-09-040
  4. 2026-09-060
  5. 2026-09-084
  6. 2026-09-093
  7. 2026-09-154
Users
+1 since 31.08
0-4 · 7 readings
  1. 2026-08-313
  2. 2026-09-024
  3. 2026-09-040
  4. 2026-09-060
  5. 2026-09-084
  6. 2026-09-093
  7. 2026-09-154

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

Hyunsang Joo publishes 3 listings we track, 33 users between them.

  1. ReadKatoo: Customizable Read Mode Hyunsang Joo · Productivity · Tools · published 2025-06-03 16 users
  2. RecKatoo: Audio Recorder & Editor for Chrome Tabs Hyunsang Joo · Productivity · Tools · published 2025-06-06 13 users

Like this one

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

  1. PromptVault - AI Prompt Manager Describes nearly the same job, smaller audience 7 users
  2. PromptVault — AI Prompt Manager for ChatGPT, Claude & Gemini Describes nearly the same job, smaller audience 15 users ★ 4.1
  3. AI Prompt Library Describes nearly the same job, smaller audience 9 users
  4. SavePrompt Extension - Reusable Prompt Library Describes nearly the same job, smaller audience 37 users
  5. PromptVault - AI Prompt Manager Describes nearly the same job, smaller audience 58 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?

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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.