A free AI prompt generator for people who don't know how to prompt. Pick what you want, tap a few options, and copy a detailed, expert prompt that gets far better results.
Your prompt updates in real-time as you tap. Everything happens directly in your browser.
AI-generated example
No prompt-writing skills needed. You choose, we write.
Fix a photo, generate an image or cinematic video, or get help with writing and coding.
Or just describe your goal in natural words — our intent engine auto-selects the best options for you.
Paste the crafted prompt into Gemini, ChatGPT, Claude, Midjourney, Veo or any AI tool for instant pro results.
Ready-made, expert prompts. Replace the [highlighted parts] with your own details, then copy.
PromptUp is a free AI prompt generator and prompt library. You pick what you want to do, tap a few options, and copy a detailed, expert prompt to paste into Gemini, ChatGPT, Claude, Midjourney, Veo and other AI tools.
PromptUp is free and needs no sign-up or account.
Yes. PromptUp runs in your browser, and what you type is not sent to a server. Your text only leaves your browser when you choose to paste the finished prompt into an AI tool.
Text prompts work in ChatGPT, Gemini and Claude. Photo-edit prompts are written for Gemini and ChatGPT. Image prompts cover Midjourney, Gemini, ChatGPT and Ideogram, and video prompts cover Veo, Kling and Seedance. Each prompt lists its tools.
State the role, the task, the context, the format you want and any limits, and be specific. The how-to-write-AI-prompts guide on PromptUp walks through the formula with examples.
Yes. Most prompts have [BRACKETED] fields, such as an outfit, a background or a job title. Fill them in, or use the builder to tailor the prompt to your idea.
PromptUp is built on pure local client-side execution. No user accounts, no telemetry tracking, and your descriptions never touch an external server until you choose to paste them into your preferred AI.