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Gratis Caesar Cipher & Text Encryptor

Encrypt and decrypt text with Caesar cipher, ROT13, Atbash, and Vigenère cipher. Classic substitution ciphers, all in your browser.

Runs in your browserNo sign-up, no pop-upsIngen inloggning krävsGratis för alltid

Shifts each letter by 13. Self-inverse — applying it twice returns the original.

Input
Output
Gur dhvpx oebja sbk whzcf bire gur ynml qbt.

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Så här fungerar det

1
Ange
Ange din text eller dina uppgifter.
2
Bearbeta
Bearbetas omedelbart i din webbläsare. Ingen server, inget väntande.
3
Ladda ner
Spara ditt resultat. Inget lagras.

Varför använda vårt?

Completely free — no hidden costs, ever
No account, email, or login required
Runs entirely in your browser — no uploads
Works on any device — phone, tablet, desktop
Open and ad-supported, with no tracking
Loads fast, with no installation needed

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