Free online AES encrypt and decrypt tool using CryptoJS (OpenSSL-compatible). Protect text with a passphrase entirely in your browser. Use strong passphrases; this is a convenience utility, not a full key-management system.
What you can do
AES encrypt and decrypt with a passphrase
OpenSSL-compatible CryptoJS format
Swap ciphertext and plaintext
Local-only cryptography
Category: Crypto / Security
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DevKit runs in your browser. No login, no paywall, and nothing is uploaded to a server.