E
Encryption & Decryption Tool
Encrypt and decrypt text using multiple algorithms: Caesar, Vigenere, ROT13, XOR, and AES-256.
Security
v1.0.0
104 uses
E
Encryption & Decryption Tool
Esc
or
Ctrl+Shift+F
to exit
Shifts each letter by a fixed number of positions in the alphabet. One of the oldest known encryption methods.
About This Tool
This encryption and decryption tool supports multiple cipher algorithms including Caesar, Vigenere, ROT13, XOR, and AES-256 for securing or decoding text messages. It is designed for developers, students, and security enthusiasts who need to quickly encrypt sensitive data or explore how different cryptographic methods work. All processing happens in your browser so your data never leaves your device.
How to Use
- 1 Enter or paste the text you want to encrypt or decrypt into the input field
- 2 Select the encryption algorithm (Caesar, Vigenere, ROT13, XOR, or AES-256) and provide any required key
- 3 Click 'Encrypt' or 'Decrypt' to process your text
- 4 Copy the resulting output to use wherever you need it
More Tools in Security
P
PGP Key Analyzer
SecurityAnalyze PGP/GPG public key blocks to extract key details and metadata.
C
CSP Evaluator
SecurityEvaluate Content-Security-Policy headers for security issues and best practices.
C
Certificate Decoder
SecurityDecode and inspect PEM-encoded X.509 certificates, CSRs, and private keys.