Promptr

Coming soon to the Chrome Store, and as a system level app!

Step up your prompting with your personalized AI prompt library, optimizer, and co-pilot — built right into Claude.

Prompt Library

Save, organize, and instantly reuse your best AI prompts. Never retype a great prompt again — your library lives in a side panel right inside Claude.

AI Prompt Optimizer

Analyze and improve your prompts with one click. Promptr's built-in AI coach rewrites vague prompts into precise, high-performing ones that get better results.

Sequential AI Runs

Chain multi-step prompts and let Claude work through them automatically. Build complex workflows, iterate on outputs, and export results — all without leaving your browser.

Sub Prompting

Save thousands of context tokens by choosing only the context relevant to your question in long chats.