Penbrave

Penbrave

Write before you're ready.

Step 1 of 4

How confident do you feel as a writer right now?

Step 2 of 4

What kind of piece are you writing?

Step 3 of 4

What tone or vibe are you going for?

Or describe your own

Step 4 of 4

Where are you starting from?

I have raw notes

Messy fragments, bullet points, half-thoughts — paste them in and I'll help structure them.

I'm starting cold

No notes yet — give me a prompt and a scaffold to work from.

Thinking...

Uses your own Anthropic API key, stored only in this browser's local storage. Manage key

Penbrave helps you structure ideas — it won't write the piece for you.

Add your Anthropic API key

Penbrave calls the Claude API directly from your browser, so it needs your own key to generate anything. It's stored only in this browser's local storage and sent only to Anthropic's API — never anywhere else. Get one at console.anthropic.com.