waitlist.email adds a high-converting popup email signup form to your site with one line of code. No backend or existing signup flow needed. Collect emails, track referrals, and validate your idea instantly.

Works with any site - Webflow, Framer, WordPress, React, HTML. Just copy and paste. Analytics & referrals built-in - See who's signing up, where they came from and the value they want. One-time payment, unlimited use - No monthly fees.