Settings

A key pair

The private key you keep. The public key you hand out.

People you send to

Public keys only. Nothing here is a secret, and nothing here can open a file.

Encrypt

Decrypt

Check the arithmetic yourself

The published test vectors from the standards, run here against the same code that encrypts your files.

How it works

KEYRING makes age encryption keys and encrypts and decrypts files with them in your browser. age is a simple, modern file encryption tool. You can encrypt to several people at once. Keep the private key safe.

Doing this often? The OBSCURA Sovereign Suite seals files for a person's public key or a passphrase, and shares chosen passwords with a team, each encrypted to their own key. On its own, US$4 a month; with everything else, US$9 a month or US$79 a year. 7 days free.