Free tool
Prompt Optimizer
Paste any prompt and get a sharper, better-structured version — rewritten with proven prompt-engineering principles. Choose the techniques yourself, or let the AI decide what this prompt needs most.
What is a prompt optimizer?
A prompt optimizer takes a rough, everyday prompt and rewrites it into a clearer, more structured version — the kind that gets a noticeably better answer from ChatGPT, Claude, Gemini or any other AI model. Instead of guessing at what to change, the optimizer applies established prompt-engineering principles: giving the model a role, adding the right context, specifying the output format, and asking it to reason step by step.
How to use it
- Paste your prompt into the box above.
- Choose Let AI decide to have the model pick the best techniques automatically — or Pick principles to control exactly which ones are applied.
- Click Optimize prompt, then copy the improved version into your AI chat.
The principles it applies
Each technique maps to a guide on our blog if you want to go deeper:
- Assign a role — Give the model a clear persona and expertise to answer from. Learn more →
- State the goal & task — Make the objective and the exact task unambiguous. Learn more →
- Add context — Supply the background, audience and constraints the model needs. Learn more →
- Specify output format — Define the exact shape, length and structure of the answer. Learn more →
- Chain-of-thought — Ask the model to reason step by step before answering. Learn more →
- Few-shot examples — Include one or two worked examples of the desired output. Learn more →
- Set constraints — Add guardrails: what to avoid, what to include, limits. Learn more →
- Structure with delimiters — Separate instructions, context and inputs with clear sections. Learn more →