Share your contact details
in one scan.
Open Kardd, show your QR code, done. Or send a link. The other person just scans or taps — no app, no typing, no awkward "what's your number?" moments.
No password. We'll email you a sign-in link.
Your QR code is a standard contact card. iPhones, Androids, flip phones — they all understand it. The person scanning doesn't need Kardd or any app at all.
Kardd loads your card instantly, even with no signal. Conference, basement bar, flight — doesn't matter. Your card is always on your phone.
Keep a Business card and a Personal card — or as many as you need. Switch between them in a tap and share the right one for the moment.
QR code for face-to-face. Shareable link for texts, emails, or bios. Choose which fields to include each time — full details for a client, just your number for a date.
Your contact details are encrypted before they leave your device. We store an unreadable blob so you can sync across devices — but we never see your data.
End-to-end encrypted. Synced across your devices. We literally cannot read your data.
We sent a sign-in link to .
The link expires in 15 minutes.
Your passphrase is set. You'll use it to access your data on new devices.
Set a passphrase so you can easily access your data on new devices.
Your data is encrypted. Enter your recovery key to access it.
Your data is end-to-end encrypted. This key is the only way to recover it if you lose access to your devices.
Write it down or save it somewhere safe. We cannot recover your data without it.
Your data is end-to-end encrypted — we can't read it, and we can't recover it for you. A passphrase lets you access your data on any new device without copying a recovery key.
Your data is end-to-end encrypted. Enter your passphrase to decrypt it on this device.
Without your passphrase, your encrypted data can't be recovered. You can start fresh with a new account.
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