Encrypt or decrypt text with the Caesar cipher. Choose any shift from 1–25, use ROT13 instantly, and copy the result in one click.
Encrypt or decrypt text using the Caesar cipher - a classic substitution cipher that shifts each letter by a fixed number of positions in the alphabet.
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
Free online tool to encode or decode html entities. Fast, private, and easy to use with no login required. All processing happens in your browser.
Free online tool to encode or decode url components. Fast, private, and easy to use with no login required. All processing happens in your browser.
Free online tool to encode or decode base64 data. Fast, private, and easy to use with no login required. All processing happens in your browser.