Palindrome Checker

Check if any word or phrase reads the same backwards instantly in your browser. Free online palindrome checker with ignored punctuation and case.

Loading calculator…

Results

Result
DetailValue
Comparable characters

What is this calculator for?

Determine whether a word or phrase reads the same forward and backward.

How to Use This Calculator

Enter the values below, then press Calculate (or press Enter). The calculator updates your results instantly. Try different values to see how your inputs change the outcome.

  1. Word or phrase — enter a text value. A typical Word or phrase would be e.g. A man, a plan, a canal: Panama.
  2. Ignore case — enter a yes/no option.
  3. Ignore spaces & punctuation — enter a yes/no option.
  4. Review your results — the key output is highlighted, with supporting figures below.

What You'll Need

Word or phrase
a text value · required
Ignore case
a yes/no option · optional
Ignore spaces & punctuation
a yes/no option · optional

About This Calculator

A palindrome reads the same forwards and backwards. This checker normalises your text (optionally removing case and non-alphanumeric characters) and compares it to its reverse.

With spaces/punctuation ignored, phrases like "A man, a plan, a canal: Panama" count as palindromes. The check runs entirely in your browser.

Worked Examples

Example

Yes — it is a palindrome

Frequently Asked Questions

Do spaces and punctuation matter?
Only if you uncheck "ignore spaces & punctuation". By default they are ignored so full phrases can be tested the familiar way.
Is `A` a palindrome?
Yes — a single character always equals its reverse, and an empty/comparable string of length 0 is considered a palindrome here (trivially true).