Can it handle phrases like "A man, a plan, a canal: Panama"?

Yes — enable ignore spaces and punctuation, and it will detect classic phrase palindromes by comparing only the letters and numbers.

Does it work with accented and non-Latin letters?

Yes — it uses Unicode-aware comparison so accented characters and other scripts are handled correctly.

Is my text sent anywhere?

No — the check runs entirely in your browser and nothing is uploaded.

Palindrome Checker

Check if text reads the same forwards and backwards.

Is it a palindrome?

Check whether text reads the same forwards and backwards. Optionally ignore case and strip spaces and punctuation so classic phrase palindromes like “A man, a plan, a canal: Panama” are detected.

The check runs entirely in your browser — nothing is uploaded.