AI and models · Independent · 19 Oct 2026

linshenkx/prompt-optimizer

An AI prompt optimizer for writing better prompts and getting better AI results.

← AI and models
Prompt Optimizer. An AI prompt optimization and testing tool.

In simple English

This tool helps you write better instructions for artificial intelligence. You type a rough idea, and it rewrites it into a clear, structured prompt that gets better results. You can run tests, compare outputs side by side, and save your favourite prompts in a library. It works in your web browser, as a desktop app, or on your own server. You need your own API keys from a provider like OpenAI or Gemini to make it work.

What it is

Prompt Optimizer (a web application, desktop app, and browser extension for refining, testing, and managing artificial intelligence prompts). It connects directly to popular language models and image generators to evaluate prompt improvements through multi-round iterations.

What it is good for

Solo builders who want to stop guessing how to talk to artificial intelligence and need a reliable way to turn rough ideas into precise, reusable prompt templates.

Stars39k
LicenceCustom
Latestv2.11.12 (2026-10-19)checked 19 Oct 2026
Last code change2026-10-19
Written inTypeScript
Setup effort
2 / 5
Payoff
4 / 5
Good
  • Runs directly in your browser or desktop without routing your prompts through third-party servers.
  • Supports text models, image generation models, and tool calling tests.
  • Provides multiple ways to run it, including a web app, a desktop application, a Chrome extension, and Docker.
Watch for
  • Requires your own API keys from external artificial intelligence providers, which cost money as you use them.
  • Web versions can hit browser security limits when connecting to local models or strict APIs.
  • Licenced under AGPL-3.0, which has strict rules if you modify and host it as a public service.
Replaces

manually rewriting and testing prompts in chat windows

Works well with

Ollama

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Install
docker run -d -p 8081:80 --restart unless-stopped --name prompt-optimizer linshen/prompt-optimizer

Independent: reviewed for Repo Radar outside the daily editions. Every independent repository

On Stack Radar: AI & Automation › AI Development & Evaluation › Prompt Management.

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