CipherPigeon logoCIPHERPIGEON
PROTOCOL VS_ENCRYPT_V2.1

Encrypt anything.
Send it anywhere.

CipherPigeon locks your words behind a hybrid autokey cipher and hands you a portable packet. Paste it into any app you already use. Without the key, it's noise.

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See the cipher

PREVIEW — IN-APP ONLY
PREVIEW_ENGINE // AUTOKEY_V2.1
SECURED
VS//DATA_PKT[)#t!PNJ!nuJWSJz;.6<,ZotiXP+M)PwA$H]//END
PREVIEW ONLY — GET THE APP TO USE IT

Built for people who assume the channel is compromised.

Hybrid autokey cipher

Every character shifts by your passphrase plus the ciphertext before it. Repeated words never produce repeated output.

Zero infrastructure

No accounts, no servers, no cloud sync. Encryption happens on your device and nowhere else.

Works in any app

Output is a portable VS//PACKET of plain text. Paste it into SMS, email, chat, a photo caption — anywhere.

Purge on demand

One tap wipes the key, the input and the output from memory. Nothing is written to disk.

Instant, offline

Ciphering runs in milliseconds with airplane mode on. No permissions, no network calls.

You own the key

The passphrase never leaves your head. Share it out of band and the packet is meaningless to anyone else.

Three steps

  1. 01

    Set a key

    Agree on a passphrase with your recipient — in person, ideally.

  2. 02

    Encrypt

    Type your message. CipherPigeon returns a VS//PACKET block.

  3. 03

    Send & unlock

    Paste it anywhere. They decrypt it with the same key.

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Carry your own cipher.

Free on iOS and Android. No sign-up, no telemetry, no strings.

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