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ROT13 Cipher
Encode and decode text using ROT13 substitution
0 chars · 0 bytes
0 chars · 0 bytes
Actions:
How to Use
1Enter the text to encode or decode
2The ROT13 result appears instantly
3Apply again to decode
4Copy the result
Features
Instant ROT13 conversion
Bidirectional (same operation)
Preserves non-alpha characters
Supports Unicode
One-click copy
Benefits
Simple text obfuscation
Solve puzzles and challenges
Hide spoilers in text
Frequently Asked Questions
What is ROT13?
ROT13 is a Caesar cipher that shifts each letter by 13 positions in the alphabet. It is its own inverse.
Does it affect numbers and symbols?
No. Only letters (A-Z, a-z) are shifted. Numbers, spaces, and symbols remain unchanged.
Is ROT13 secure?
No. ROT13 provides zero security and is easily broken. It is used for hiding spoilers and simple obfuscation.