🪞 Palindrome Checker
Check if any word, phrase or sentence is a palindrome instantly. Spaces and punctuation are ignored automatically. Free, private, no signup.
About Palindrome Checker
A palindrome is a word, phrase or sequence that reads the same forwards and backwards. This checker analyses your text in real time and tells you instantly whether it qualifies as a palindrome, with the option to ignore spaces, punctuation and case differences.
Famous Palindrome Examples
- Words — racecar, madam, level, civic, noon, kayak, radar, refer
- Phrases — "A man a plan a canal Panama", "Never odd or even", "Was it a car or a cat I saw"
- Numbers — 121, 1331, 12321
- Names — Hannah, Anna, Bob, Eve
What is a Palindrome?
The word palindrome comes from the Greek words "palin" (again) and "dromos" (way, direction). A palindrome reads identically whether you go forward or backward through its characters. When checking phrases, spaces and punctuation are traditionally ignored, so "A man a plan a canal Panama" qualifies despite having spaces between words.
Using the Palindrome Checker for Word Games
A palindrome checker is a valuable tool for word game enthusiasts, crossword setters and puzzle creators. When designing a word game that requires palindromic entries, you can test potential candidates instantly with the palindrome checker rather than manually reversing each word. Scrabble and word puzzle communities maintain lists of valid palindrome words; this palindrome checker lets you verify additions to those lists at any time.
Teachers use a palindrome checker to demonstrate concepts in language and logic lessons. Asking students to guess which words are palindromes and then verifying with the palindrome checker turns the exercise into an interactive activity. The cleaned string display shows exactly which characters were compared, helping students understand how the palindrome checker ignores spaces and punctuation automatically.
Number Palindromes and Dates
The palindrome checker works equally well with numbers and dates. The year 2002 is a numeric palindrome, as is 12/02/2021 when separators are ignored. Mathematicians study palindromic primes — prime numbers that are also palindromes, such as 11, 101, 131 and 10301. Numeric palindromes appear in dates too: 02/02/2020 was celebrated internationally as a global palindrome date, readable as the same sequence across multiple date formats. Use the palindrome checker to test any number or date string directly.
Frequently Asked Questions
What is a palindrome?
+A palindrome is a word, phrase, number or sequence that reads the same forwards and backwards. Examples include "racecar", "madam" and "A man a plan a canal Panama". When checking phrases, spaces and punctuation are typically ignored.
Is "racecar" a palindrome?
+Yes. "Racecar" reads r-a-c-e-c-a-r forwards and r-a-c-e-c-a-r backwards — they are identical. It is one of the most commonly cited palindrome examples in English.
Does capitalisation matter for palindromes?
+Traditionally no. "Racecar" and "RaceCar" are both considered palindromes because case is ignored. Our checker ignores case by default but you can turn this off to do a strict case-sensitive check.
What are some famous palindromes?
"A man, a plan, a canal: Panama" and "Was it a car or a cat I saw" are classic sentence palindromes. Single-word palindromes include racecar, level, civic, and radar.
Can I check if a number is a palindrome?
Yes. Paste any number into the tool and it checks if it reads the same forwards and backwards. For example, 12321 is a palindrome but 12345 is not.