DES / 3DES Encryption
Encrypt and decrypt with DES or Triple DES — for legacy interop only; use AES for new work.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Enter a passphrase
The same passphrase is needed to decrypt.
- 2
Pick algorithm and direction
3DES or DES; encrypt or decrypt.
- 3
Copy the result
Ciphertext is OpenSSL-compatible base64.
Frequently Asked Questions
- No — DES's 56-bit key falls to brute force in hours on modern hardware, and NIST deprecated 3DES in 2023. This tool exists for decrypting legacy data and interoperating with old systems; use AES-256 for anything new.
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