ROT47 Converter
Transform printable ASCII with the self-reversing ROT47 cipher.
ROT13 for every character
ROT47 extends the idea of ROT13 to the full set of printable ASCII, rotating 94 characters by 47 positions. That means digits and punctuation get scrambled too, not just letters.
Because 47 is exactly half of 94, applying ROT47 a second time restores the original — so a single operation both encodes and decodes. It is a handy way to hide spoilers or answers in plain text.
Reversible and private
The rotation runs in your browser, so your text is never uploaded.
Frequently Asked Questions
What is ROT47?
A variant of ROT13 that rotates the 94 printable ASCII characters by 47 places, so it scrambles letters, digits, and symbols alike.
Why is one button enough?
Because rotating by 47 twice returns the original, ROT47 is its own inverse — the same operation encodes and decodes.
Is it secure?
No. Like ROT13 it only obscures text, useful for hiding spoilers, not for protecting secrets.
Browse the full set of free, private, in-browser tools.