Checkout,
in one tap.
OneTap fills any checkout form instantly. Addresses, cards, contact details, on any site. AI-powered, encrypted, yours.
Checkout is where buying goes to die.
The 400th time
Name, address, city, zip. You've typed it a thousand times. Somehow, you'll type it again tonight.
The card sprint
Your card is in a jacket. The jacket is in another room. The purchase doesn't survive the trip.
Autofill that isn't
Browser autofill fills half the form, mangles the rest, and skips the card when you need it most.
Carts don't get abandoned because people change their minds. They get abandoned because the form won.
How it works
Three steps. One of them is optional.
Land on any checkout
OneTap detects the form the moment it loads. No setup, no copy-paste, no hunting for a button.
Tap the bolt
Pick a profile: personal, work, whoever's paying today.
Done.
Every field filled in about a second. Address, contact, card. All of it.
Features
Autofill that actually fills.
Chrome gets you halfway. OneTap finishes the job.
AI-powered field detection
Not dumb autocomplete. OneTap reads any form and fills every field right. Weird labels, custom widgets, six-step checkouts, all of it. If a human can work it out, so can OneTap.
Bank-grade encryption
Your details are encrypted with AES-256 and stored only on your device. Card numbers never touch our servers. We couldn't peek if we wanted to.
Multiple profiles
Personal, work, family. Separate addresses, separate cards, one tap apart.
Works everywhere
Amazon, Shopify, StockX, and thousands more. No integrations needed. If it has a checkout, OneTap can fill it.
Secured by design
Your card is yours.
It stays that way.
Trusting an extension with payment details is a big ask. So here's exactly what happens with yours, and what never does.
Encrypted on your device
Everything you save is encrypted with AES-256 before it touches disk. The keys live with you, not us.
Card numbers never leave
Your card details are stored locally and sent to exactly zero servers. Not ours, not anyone's.
No hidden collection
OneTap sends exactly one thing: the form's layout, so the AI can map it. Never your details. No selling data, no shadow profiles.
FAQ
Fair questions.
Yes. Everything you save is encrypted with AES-256 and stored only on your device. Card numbers are never sent to our servers, or anyone else's. When it's time to fill, your details go from your device straight into the form, and nowhere else.
Chrome matches fields against a fixed list of standard names, so it breaks on custom checkouts, which is most of them. OneTap uses AI to read the form the way a person would, so odd labels, split fields, and multi-step flows fill correctly.
It's built to. OneTap doesn't rely on site-specific integrations. It understands forms in general, so it works on big retailers and tiny indie shops alike. If you find one it can't handle, tell us and we'll fix it.
Free to start. Power features may become paid later, but filling checkouts fast will always be the point.
Your profiles, addresses, and cards stay encrypted on your device. We never see them. To map a form, OneTap sends its structure to our API: field labels and the page address, never anything you've saved. The full details are in the privacy policy.
Be first to try OneTap.
Early access is rolling out soon. Drop your email and we'll save you a spot.
No spam. One email when it's your turn.
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