Rail Fence Cipher Decoder - Free, Instant, In Your Browser
Enter the encoded text and the same number of rails used to encode it.
How to use Rail Fence Cipher Decode
- 1Enter the required date(s) and details above.
- 2Click Calculate - Rail Fence Cipher Decode runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
The tool rebuilds the same zigzag pattern to work out which encoded letter belongs at each position.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.