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Palindrome
Checker

Instantly check if any word, phrase, or sentence is a palindrome. Explore 200+ famous palindromes by category.

Instant check Visual mirror 200+ examples Phrase support
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Famous palindromes
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How to use the palindrome checker

1

Type your text

Enter any word, name, phrase, or sentence. The checker updates instantly as you type.

2

See the mirror

A visual character-by-character comparison shows exactly how the text reads forwards and backwards.

3

Browse examples

Explore hundreds of famous palindromes grouped by words, phrases, names, and numbers. Click any to check it.

Frequently asked questions

What is a palindrome?
A palindrome is a word, phrase, number, or sequence that reads the same forwards and backwards. Famous examples include "racecar," "level," and "A man, a plan, a canal: Panama."
Does it work with phrases?
Yes — toggle the ignore spaces and punctuation options to check full phrases and sentences. "A man a plan a canal Panama" is a classic phrase palindrome.
What is the longest palindrome?
The longest known palindrome sentence in English is debated, but "A man, a plan, a canal: Panama" is one of the most famous. Some constructed palindromes span thousands of words.
Are numbers palindromes?
Yes — numbers like 121, 1331, and 12321 are palindromes. These are called palindromic numbers and appear frequently in mathematics.