Browser Utility

Text Encryption Tool

Encrypt and decrypt text with a passphrase using AES-256-GCM — directly in your browser. Nothing is transmitted anywhere.

Mode

Plaintext

Passphrase

Output

Encrypted text

All encryption runs in your browser. The passphrase and text are never transmitted.

AES-256-GCM via Web Crypto API · PBKDF2 key derivation · 100,000 iterations

There is no way to recover your data without the correct passphrase. Keep it safe. If you lose the passphrase, the encrypted text cannot be decrypted.