Prompt Engineer: AI Prompt Optimizer for ChatGPT, Claude & Gemini icon

Prompt Engineer: AI Prompt Optimizer for ChatGPT, Claude & Gemini

by Aeximius SA · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 18 Oct 2026

AI prompt engineer for ChatGPT, Claude, Gemini, and Copilot. Rewrite, optimize, and enhance prompts with one click.

Users
177
+9 in 30 days
Rating
4.9 / 5
unchanged in 30 days
Ratings
24
0 in 30 days
Store rank
#67K
#57K among extensions
Version
1.0.20
updated 1 Jul 2026

Users

monthly, 6 months
088177Apr 2026Aug 2026Oct 2026
Latest, 18 Oct 2026: 177 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months
01326Apr 2026Aug 2026Oct 2026
Latest, 18 Oct 2026: 24 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Prompt Engineer: AI Prompt Optimizer for ChatGPT, Claude & Gemini

Prompt Engineer helps you write clearer, stronger prompts directly inside supported AI chat apps. Turn rough ideas into polished prompts faster with AI-guided enhancement, one-shot prompt generation, and a streamlined sidebar workflow.

Growth

WindowUsersChangeRatingsRating
7 days−4−2.2%00.00
30 days+9+5.4%00.00
6 months+177–+24+4.92

Version history

12 versions recorded
1.0.201 Jul 2026
1.0.1917 Jun 2026
1.0.1711 Jun 2026
1.0.151 Jun 2026
1.0.1426 May 2026
1.0.1113 May 2026
1.0.107 May 2026
1.0.62 May 2026

Details

Category
Tools
First seen
14 Apr 2026
Size
3.8 MB
Languages
en
Pricing
Free
Privacy policy
prompt-engineer.io
Extension ID
aaaoinighicklehcpmglmgdbofmfngeb

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
storageidentitysidePanel
Site access
https://prompt-engineer.io/*https://www.prompt-engineer.io/*

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