An AI prompt generator that improves any prompt
PromptLib is an ai prompt generator and prompt generator paired with a curated ai prompt library. Instead of crafting instructions by hand, generate optimized prompts based on your goal, tone and context — then save them for reuse.
Generate, don’t guess
The prompt generator produces optimized prompts automatically, improving AI accuracy while saving you time.
Improve any draft in one click
Paste a rough idea and the ai prompt generator rewrites it using prompt engineering best practices for maximum clarity.
Backed by a real prompt library
Every generated prompt can be saved to a searchable prompt database alongside the chatgpt, claude, anthropic and google prompt libraries.
FAQ
Is the AI prompt generator free?
Yes — generating and improving prompts works without an account.
Which models does it support?
ChatGPT, Claude, Anthropic and Google models, all from one prompt library.
Get the ai prompt generator
// free · no login required · chrome web store
Install the extension →