Secret Key (hex) // shared across text & file · 64 hex chars = 32 bytes = AES-256

Decrypt ciphertext

Ciphertext // iv_hex:encrypted_hex

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output

Result

Formatted JSON

Encrypt a file → download as .xenc

File // any file up to 10 MB

Drop a file or click to browse

Any format accepted

Max 10 MB

File exceeds 10 MB limit.

filename.txt

0 KB

Processing...

Done

AES-256-CBC

16-byte random IV

Web Crypto API

100% in-browser

Hex & Base64

.xenc file format

JSON formatter