AI Prompt Improver & Generator
Paste a rough prompt and get a better one — with an explanation of what changed.
What is AI Prompt Improver & Generator?
A free, no-sign-up prompt engineering tool. Paste your draft and get a stronger version with an itemised breakdown of every change. Or generate a full prompt from a one-line idea. Tuned for ChatGPT, Claude, Gemini, and Midjourney.
Built in-house at There Is An AI Tool. The improver flow checks your draft for the six elements every good prompt needs (role, task, context, format, examples, constraints) and adds what is missing — then explains every change. The generator flow turns a one-sentence idea into a complete, structured prompt. Both modes adapt their output to the conventions of your chosen target model.
Key features
- Improve mode + Generate mode in one tool
- Four target models: ChatGPT, Claude, Gemini, Midjourney
- Itemised "what changed" breakdown on every result
- No sign-up required
- Up to 800 words per submission
Pros
- Genuinely free, no account required
- Transparent — shows what was changed and why
- Tuned per model (XML for Claude, tags for Midjourney, etc.)
Cons
- Rate-limited to 5 improvements per minute
- Heavily domain-specific prompts (legal, medical) may need manual tweaks
- For Midjourney, your hand-tuned tag sequences may still be better
Best for
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