DES/3DES Encrypt/Decrypt

DES and Triple DES encryption/decryption in browser。 Runs locally—nothing uploaded.

Input text / hex

Key (≥8 bytes)

Mode

Action

Encode and decode Base64, URLs, Unicode, hashes, QR codes, and common developer data formats.

How to use & FAQ

DES/3DES Encrypt/Decrypt: DES and Triple DES encryption/decryption in browser. Keys and plaintext stay local.

For dev/test; use audited server crypto in production.

Signup required for DES/3DES Encrypt/Decrypt?▾

No. Free with no account.

Secrets uploaded?▾

No.

Production passwords?▾

Use server-side libraries.

Output format?▾

Often hex or Base64—see page.

Mobile browsers?▾

Yes; heavy tasks better on desktop Wi-Fi.

Copy or download?▾

Yes—copy text or download files as supported.