AI Prompt Builder

Fill in the fields below to build a clear, structured prompt for any AI assistant. Leave out anything you don’t need, then copy the result. Everything runs in your browser and nothing is stored.

Last updated: October 2, 2026

Who should the AI act as? It will read “You are …”

Why this structure works

Most weak AI answers come from weak briefs. Giving the model a role, the context it can’t guess, a precise task and a clear format covers what a capable colleague would need to do the job well. Our guide to prompt engineering basics explains each part with before-and-after examples.

Tips for better prompts

  • Be specific in the task. “Write a reply that offers a refund” beats “Help with this email”.
  • Add a sample in the rules field if you want a particular style.
  • Use placeholders like [CUSTOMER] instead of real personal data. See our privacy guide.
  • Iterate. Treat the first answer as a draft and tell the AI what to change.

Need ideas? Browse our 12 prompt templates for everyday work, or check how long your prompt is with the AI Token Counter.