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PromptMiner - AI Prompt Optimizer & Library

Chrome extension by Echoecho · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 32 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 22 match patterns.

What the developer says, and 5 screenshots

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

Users
32
Rating
not rated yet
Users, last 30 days
+1
Version
1.2.1
Updated in the store
2026-10-29
Published
2025-09-22
Manifest
V3
Browser access
7 permissions, 22 site patterns

How it has moved

Users
+1 since 30.09
25-35 · 16 readings
2026-10-29: released 1.2.1
  1. 2026-10-0425
  2. 2026-10-0826
  3. 2026-10-0930
  4. 2026-10-1029
  5. 2026-10-1330
  6. 2026-10-1732
  7. 2026-10-1833
  8. 2026-10-1934
  9. 2026-10-2135
  10. 2026-10-2233
  11. 2026-10-2332
  12. 2026-10-2431
  13. 2026-10-2530
  14. 2026-10-2731
  15. 2026-10-2932released 1.2.1
  16. 2026-10-3032
Users
+3 since 01.09
25-35 · 30 readings
2026-10-29: released 1.2.1
  1. 2026-09-0129
  2. 2026-09-0231
  3. 2026-09-0529
  4. 2026-09-0728
  5. 2026-09-0829
  6. 2026-09-0932
  7. 2026-09-1031
  8. 2026-09-1333
  9. 2026-09-1535
  10. 2026-09-1633
  11. 2026-09-2132
  12. 2026-09-2533
  13. 2026-09-2729
  14. 2026-09-2831
  15. 2026-10-0425
  16. 2026-10-0826
  17. 2026-10-0930
  18. 2026-10-1029
  19. 2026-10-1330
  20. 2026-10-1732
  21. 2026-10-1833
  22. 2026-10-1934
  23. 2026-10-2135
  24. 2026-10-2233
  25. 2026-10-2332
  26. 2026-10-2431
  27. 2026-10-2530
  28. 2026-10-2731
  29. 2026-10-2932released 1.2.1
  30. 2026-10-3032

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

Specific sites only: 22 match patterns.

  • https://chatgpt.com/*
  • https://chat.openai.com/*
  • https://gemini.google.com/*
Show the remaining 9
  • https://bard.google.com/*
  • https://claude.ai/*
  • https://poe.com/*
  • https://www.doubao.com/*
  • https://www.kimi.com/*
  • https://www.deepseek.com/*
  • https://chat.deepseek.com/*
  • https://*.deepseek.com/*
  • https://api.deepseek.com/*
  • Sign you in with a Google account identity
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
Show the remaining 4

The full permission history for this extension

Version history

  1. Version 1.2.1 · Asked for more permissions (29, was 27) (changed: site access)

What changed recently

  1. Package size changed
  2. Asked for more permissions (29, was 27) (changed: site access)
  3. Store description rewritten (111 → 127 characters)
Show the remaining 2
  1. Renamed from "PromptMiner" to "PromptMiner - AI Prompt Optimizer & Library"
  2. Released version 1.2.1 (was 1.2.0)

The publisher

Echoecho publishes 3 listings we track, 72 users between them. Listed website: promptminer.cn.

  1. Reeead - AI Summarizer & Highlighter for Long Reads Echoecho · Productivity · Tools · published 2025-10-20 34 users
  2. 小宇宙跟读: 播客实时字幕、逐句跟读，支持小宇宙和 Apple 播客 Echoecho · Productivity · Tools · published 2026-10-23 6 users

Like this one

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

  1. Aineurit Prompt Hub Describes nearly the same job, smaller audience 4 users
  2. Open Prompt Manager - for AI Agents & Assistants Describes nearly the same job, smaller audience 4k users ★ 4.7
  3. Promptly Describes nearly the same job, smaller audience 4 users
  4. My Prompt Manager Describes nearly the same job, smaller audience 1k users ★ 5.0
  5. Kraiken.ai - AI Prompt Manager & Library 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.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pmpbmokfbpcpbfllggphdjmkglohbkpl/badge.svg)](https://extops.dev/extensions/pmpbmokfbpcpbfllggphdjmkglohbkpl)

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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built