Build better prompts.
Instantly.
Chip watches you type on Claude and ChatGPT and sharpens your prompts before you send them. Free. No setup. No learning curve.
What are you building today?
How it works
Zero friction. Maximum impact.
Two ways to use Chisel. Both take less than a second.
01
Type your rough prompt
Just type naturally in Claude or ChatGPT. No special syntax. No new tab. No setup required.
02
Chip appears instantly
After you pause typing, Chip surfaces a one-tap offer to sharpen your prompt right in the input field.
03
Send a better prompt
Your improved prompt replaces the original. You click Send. Chisel never auto-submits — you're always in control.
Pricing
Start free. Go unlimited.
No credit card needed to start. Upgrade when you're ready.
Free
Forever free
- 5 sharpened prompts per day
- Inline rewrite on Claude and ChatGPT
- All 3 wizard flows — Build, Fix, Write
- Prompt library up to 15 saved
- Clarity and Specificity score bars
Chiseled
per month · 14-day free trial
- Unlimited AI-powered prompts
- Claude Haiku powers every rewrite
- Fix My Prompt — before/after diff
- All 4 score bars including Claude-Optimized
- Unlimited prompt library + cloud sync
- Chip transforms on upgrade 💪
Our Mission
The best AI answer starts with the right question.
Most people using AI tools are leaving enormous value on the table — not because the AI is bad, but because their prompts are rough. Chisel exists to close that gap. We believe everyone deserves to communicate clearly with AI, not just people who've read prompt engineering guides. Chip is the shortcut. The goal is simple: better input, better output, every time.
Legal
Built with trust.
Terms of Service
Free tier includes 5 rewrites per day. Chiseled is $12/month with a 14-day free trial. No auto-submit, ever. You own every prompt you create.
Read full terms →Privacy Policy
Free tier: nothing stored on our servers. Chiseled tier: only your email and prompt library, encrypted at rest. We never read your prompts for ads or analytics.
Read privacy policy →Data & Security
Manifest V3, HTTPS everywhere, Supabase JWTs verified on every request, Stripe handles all payments. We never see your card number.
Security overview →