Decode a simple word
Input
uryyb
Output
hello
Shows the reversal of a common ROT13 example.
Developer Tools
Review practical ROT13 Decode examples so you can understand expected input, output, and common patterns faster.
Use this ROT13 decoder to reverse ROT13-encoded text and turn it back into readable output. It is useful for puzzles, spoiler text, CTF basics, classroom examples, and simple classical cipher demonstrations. Paste ROT13 text into the tool and decode it instantly in the browser.
Example pages are especially useful for developer tools because they show what good input looks like, what kind of output to expect, and how the tool behaves in common scenarios.
Input
uryyb
Output
hello
Shows the reversal of a common ROT13 example.
Input
Nggnpx ng qnja
Output
Attack at dawn
Useful for reversing ROT13 text used in examples or puzzles.
Fix: Confirm that the source text was encoded with ROT13 first.
Fix: ROT13 only affects Latin letters.
Fix: This tool only reverses ROT13 substitution.
Fix: Characters outside A-Z and a-z are left unchanged.
Fix: Use ROT47 or XOR tools if the source uses another transformation.
After reviewing these examples, run the live tool with your own input. If your task involves a follow-up step, the related page can help you move to the next tool in the workflow.
Open the main ROT13 Decode page and test your own real input.