Palindrome Checker
Palindrome Checker lets you compare alphanumeric Unicode characters with their reversed sequence. Enter your own values or load the worked example.
- Copy or download the computed result
- Adjust text
- See the processing method and limits
Method and calculation
Compare alphanumeric Unicode characters with their reversed sequence.
Inputs and settings
Palindrome Checker accepts Text.
Worked example
Palindrome Checker example — Text: "A man, a plan, a canal: Panama". Computed output: { "normalized": "amanaplanacanalpanama", "palindrome": true }
Output and limitations
Palindrome Checker: Input is treated as plain text; it is never executed.
Technical references: JavaScript Unicode normalization
Palindrome Checker FAQs
Palindrome Checker applies the following rule to your input: Compare alphanumeric Unicode characters with their reversed sequence. The worked example on this page uses the same processor as the result button.
Palindrome Checker has these boundaries: Input is treated as plain text; it is never executed. Start by checking the text field against the units or format shown.
Palindrome Checker provides this sample: { "normalized": "amanaplanacanalpanama", "palindrome": true }. Use the sample button to reproduce it, then replace the inputs with your own values.