Palindrome Checker
Check whether a word or sentence reads the same backwards and forwards, with options to ignore case, spaces, and punctuation. Never odd or even is one.
How to use
- Paste the word or sentence into the box.
- Choose what counts as a character.
- Read the cleaned text and its reverse.
A palindrome checker compares a text against its own reverse. By default spaces, punctuation, and case are ignored, which is the reading a human applies, so Never odd or even counts as one.
Output
Paste or type something above.
Questions about palindrome checker
- Should spaces and punctuation be ignored?
- Usually yes, because the point of the check is the sequence of letters rather than the formatting.
- What is the longest known palindrome?
- A long mathematical one runs to thousands of digits, but no English sentence matches for length.
- What does the cleaned line show?
- Exactly what was compared, so you can see whether the cleaning removed something you meant to keep.
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