Tool capabilities
- Input
- TXT
- Output
- TXT · JSON
How to use Palindrome Checker
Compare Unicode letters and numbers forward and backward after normalization. This palindrome checker works directly in your browser and is free to use without an account.
- Paste or open your input in the editor.
- Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
- Copy the result or download it to your device.
Palindrome Checker · Example
Input
A man, a plan, a canal: Panama
Output
{
"palindrome": true
}Compare Unicode letters and numbers forward and backward after normalization.
Usage notes
Inputs and results are processed on this device. Tool content is not sent to a processing server.