XOR Cipher
XOR data against a repeating UTF-8 or hex key.
XOR is symmetric - run the output back through with the same key to reverse it.
Frequently asked questions
Is this tool free?
Yes. Every tool is free and runs entirely in your browser.
Do you store my data?
No. All processing happens locally on your device; nothing is uploaded.
For personal use with content you have the right to save.