Palindrome Checker
Check whether a word, phrase or sentence reads the same backwards.
"A man, a plan, a canal: Panama" is the canonical palindrome — but only under the standard convention that spaces, punctuation and capitalization don't count. Strictly character-by-character, it fails. That convention question is exactly why a checker is useful: it applies the accepted rules consistently.
Type any word, phrase or full sentence and see instantly whether it's a palindrome, along with the normalized text (letters and digits only, lowercased) and its reversal so you can see exactly what was compared. Works with numbers too — 12321 qualifies.
How to use Palindrome Checker
- 1
Type a word or phrase
Anything from "racecar" to a full sentence.
- 2
See the verdict instantly
Palindrome or not, with the normalized comparison shown.
- 3
Experiment
Edit live to try variations.
Features
- Standard convention: ignores case, spaces and punctuation
- Shows the normalized text and its reversal
- Works with letters, digits and Unicode scripts
Frequently asked questions
Common mistakes to avoid
- Testing with trailing whitespace or invisible characters pasted from documents — normalization handles this, but strict checkers elsewhere may not.
- Confusing palindromes with anagrams — a palindrome reverses to itself; an anagram rearranges into a different word.
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