Promptmkr Companion icon

Promptmkr Companion

by Brainmkr LLC · promptmkr.com · Workflow & Planning
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Grade and improve your AI prompts inline. Works inside ChatGPT, Claude, Gemini, Grok, Perplexity, and more.

Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#328K
#258K among extensions
Version
0.5.1
updated 8 Jul 2026

Users

monthly, 4 months
024Jun 2026Sep 2026Oct 2026
Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months
001Jun 2026Sep 2026Oct 2026
Latest, 16 Oct 2026: 0 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 Promptmkr Companion

Promptmkr Companion helps you grade, improve, and reuse AI prompts directly in your browser. Most prompts are one-off drafts. Promptmkr Companion gives you a faster way to check prompt quality, spot missing context, improve structure, and turn useful prompts into reusable assets. Use it to: • Grade prompts before you run them • Find missing context, vague instructions, weak structure, or unclear outputs • Improve rough prompts with clearer direction • Turn useful prompts into reusable prompt assets • Continue refining and saving prompts in Promptmkr Promptmkr Companion is built for marketers, creators, founders, operators, and everyday AI users who want better AI outputs without rebuilding prompts from scratch every time. How it works: 1. Write or paste a prompt. 2. Open Promptmkr Companion. 3. Review the prompt quality feedback. 4. Improve the prompt or continue in Promptmkr. Promptmkr Companion works as a browser-based prompt improvement layer. Some features may work best on supported AI writing surfaces, and a Promptmkr account may be required for advanced features.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−1−25.0%00.00

Version history

4 versions recorded
0.5.18 Jul 2026
0.5.04 Jul 2026
0.3.010 Jun 2026
0.2.06 Jun 2026

Details

Category
Workflow & Planning
First seen
6 Jun 2026
Size
71 KB
Languages
en-US
Pricing
Free
Privacy policy
promptmkr.com
Support
promptmkr.com
Extension ID
bgfdnjeidncgmmloojidpaodlkjnaihj

Permissions and risk

Elevated riskimpact 4, likelihood 3
Permissions
storageactiveTabscripting
Site access
https://chatgpt.com/*https://www.chatgpt.com/*https://chat.openai.com/*https://claude.ai/*https://www.claude.ai/*https://gemini.google.com/*https://grok.com/*https://www.grok.com/*https://x.com/*https://www.perplexity.ai/*and 5 more

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