Prompt Coach — Token-Saving Prompt Rewriter

About

Prompt Coach helps you write better prompts. Type your draft, click Coach, and get back a tighter, clearer, more token-efficient version — plus a short explanation of what changed and why, so you improve over time.

What it does

Rewrites your prompt into a clean, professional version that wastes fewer tokens.
Explains why each change was made, so you learn the anatomy of a good prompt.
Flags missing context or assumptions before you send, reducing back-and-forth.
Streams the rewrite live, so results start appearing almost immediately.
Lets you regenerate alternatives and flip between versions to pick the best one.
Applies the rewrite to your chat box in one click, or copies it.
Bring your own model Connect your own OpenAI or Anthropic API key, or run a local model with Ollama for free, fully private rewriting. Your key is stored locally and sent only to the provider you choose. Nothing is collected or sent to any third-party server.

Where it works Prompt Coach adds a Coach button to popular AI assistant websites. If a site updates its layout, generic fallbacks keep the button working on most chat interfaces.

Privacy Your prompt text is sent only to the provider you select for rewriting. With a local model, nothing leaves your machine. No analytics, no tracking, no third-party servers.