AES Encryption / Decryption

Encrypt and decrypt text locally with AES modes, padding, Hex, and Base64.

AES encrypt/decrypt

Multiple modes, padding schemes, and Hex/Base64 output, all local

OperationModePaddingOutput format

PlaintextKey (Hex, 128/192/256-bit)IV (Hex, 16 bytes)

Keys and content stay in page memory. Store your key safely. ECB is not recommended for sensitive data.

Encode and decode Base64 strings instantly. Works with text and URLs.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly in your browser.

Generate local six-digit TOTP codes from a Base32 secret.