Guide
AI Prompt Enhancer: Turn Rough Ideas Into Better AI Prompts
PromptUp is an AI prompt enhancer that turns a rough thought, a single sentence, loose notes or voice dictation into clear, structured, AI-ready prompts. It creates Quick, Balanced and Expert versions that you can copy anywhere or open directly in ChatGPT, Claude or Gemini.
What an AI prompt enhancer does
Most weak AI answers start with a weak instruction. A prompt enhancer takes what you already wrote and makes the missing parts explicit: what you actually want, who it is for, what context matters, what the output should look like and what to avoid. PromptUp does that rewriting for you and shows the result as three levels of detail, so you can pick how much structure the task needs.
Nothing is guessed about your product or your data beyond what you type. You stay in control: every version is editable before you send it.
From rough idea to AI-ready prompt
Marketing
Before
landing page for coffee subscription
After
Write landing page copy for a monthly specialty coffee subscription. Audience: home coffee drinkers who currently buy supermarket beans. Include: a headline, a one-sentence subhead, three benefit bullets, a short "how it works" in three steps, and one call to action. Tone: warm, concrete, no hype words. Length: under 250 words. Ask me for the brand name and price if they matter.
Career
Before
make my resume bullet stronger: managed social media
After
Rewrite this resume bullet to be stronger and specific: "managed social media". Give me three versions, each one line, starting with an action verb and showing scope and result. Leave clearly marked placeholders like [platforms], [followers], [% growth], [timeframe] where I need to add my own numbers. Do not invent metrics.
Learning
Before
explain how blockchain works like I'm 5
After
Explain how a blockchain works to a complete beginner. Start with one everyday analogy, then explain blocks, the chain, and why records are hard to change. Use short paragraphs, no jargon unless you define it in the same sentence, and finish with three plain-language takeaways. Then ask me one question to check I understood.
Choose the right level
- Quick: a tidied, clearer version of your idea. Best for small everyday asks where you mostly need the wording fixed.
- Balanced: adds context, the expected output and simple constraints. This is the everyday default for real work.
- Expert: the most structured version, with role, detailed requirements, format and edge cases spelled out. Best for longer or higher-stakes tasks.
One press of Enhance gives you all three versions together, so you can compare them instead of guessing.
Works with the AI you already use
The output is plain text, so it works with ChatGPT, Claude, Gemini and any other assistant or tool where you can paste a prompt. One-click opening is provided for ChatGPT, Claude and Gemini; for everything else you copy the prompt and paste it in.
Start free, upgrade when you need unlimited refinement
You can start without an account. A free account gives you a daily number of enhancements and saves your prompt library to your account. Pro is USD 3.69 a month and includes unlimited enhancements for normal use, your library synced across devices, and you can cancel at any time. See the Free and Pro plans for the current details.
Frequently asked questions
What does PromptUp do?
You write a rough idea, PromptUp rewrites it as a clear, structured prompt and gives you a Quick, a Balanced and an Expert version of it. You can copy any version or open it in ChatGPT, Claude or Gemini.
Which models does it work with?
The prompts are plain text, so they work with any assistant you can paste text into. One-click opening is available for ChatGPT, Claude and Gemini.
Does it store prompts?
Without an account your history stays in your own browser. With a free or Pro account your prompts are saved to your PromptUp library so you can reach them from any device you sign in on. Prompts are used only to produce your result and fill your own library.
Can I use it free?
Yes. You can try it without an account, and a free account gives you a daily number of enhancements plus a saved library. Pro is USD 3.69 a month for unlimited normal-use enhancements.
Writing specifically for ChatGPT?
If ChatGPT is your main assistant, read the step-by-step ChatGPT prompt enhancer guide for a four-step way to improve an instruction before you send it.