A free tool for anyone who uses AI
The words you type decide everything. Prompt Write turns a rough, half-formed thought into a precise prompt the AI can actually follow — right here, in your browser.
The clearer your prompt, the better your answers
Give the AI what it needs to get it right the first time.
Private by design. Your prompt is built entirely in your browser — never stored, never saved to a server. It's only sent anywhere if you choose “Ask the coach”, and only then.
You are a patient travel planner. Plan a 3-day trip to Kyoto for two people who love food and quiet temples. Keep it under $800 total. Reply as a day-by-day list with one line per stop.Build one like this
write an essay about climate change
Write a 500-word essay on how climate change affects small islands. Tone: calm, factual. Audience: high-school students. Include two real examples.
Opens with every field filled in — tweak it or copy as-is
help me write a email to my boss
Draft a short email to my manager asking for one extra day of remote work this week. Keep it friendly and under 90 words. Sign off as Sam.
Opens with every field filled in — tweak it or copy as-is
make a picture of a cat
A close-up photo of an orange tabby cat asleep on a windowsill, soft morning light, shallow depth of field, 35mm, warm tones.
Opens with every field filled in — tweak it or copy as-is
The AI stops guessing. Instead of “any answer will do”, it knows your exact topic, who it's for, and what to include or leave out.
The answer arrives shaped — as steps, bullets, an email, or a table — instead of one long wall of text you have to reshape yourself.
The first answer is one you can actually use as-is, instead of rewriting it or chasing it with three follow-up questions.
See the difference for yourself — type a rough idea and watch it become a prompt that works.
Try the prompt builder →Free · No signup · Nothing leaves your browserWhy this happens
An AI can't read your mind. When a prompt is short and fuzzy, the model has to guess your goal, tone, length, and audience — and it fills every gap with its best (often generic) guess.
Give it the missing pieces — who it's for, what to include, how long, what to avoid — and the same model returns something you'd actually use. That's the whole trick.
How it works
Type your thought in plain words. No jargon, no formula — just what you want.
Quick for a fast answer, More detail for a full brief, Image AI for pictures.
Watch it build live, then copy it straight into your favorite AI.
Early feedback
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Only your vote and optional note are saved — nothing you type into the prompt builder is ever sent.