Security
AES Encryption
Encrypt and decrypt text using AES-CBC or AES-GCM directly in your browser.
All encryption happens locally in your browser. No data is sent to any server.
Documentation
How to Use
1
Switch Mode
Choose Encrypt or Decrypt mode.
2
Enter Text
Type or paste the text you want to encrypt, or the Base64 ciphertext to decrypt.
3
Provide a Key
Enter a password or click 'Generate Key' for a secure random key.
4
Choose Mode
AES-GCM provides authentication (recommended), AES-CBC is faster.
5
Process
Click Encrypt/Decrypt. The result appears in Base64 format.
Pro Tips
Use AES-GCM for authenticated encryption
Keep your key safe - it's required to decrypt
Examples
Input
Message: Hello
Output
Base64 ciphertext