Palindrome Checker

Check if text reads the same forwards and backwards. Find palindromic substrings and analyze character symmetry.

Palindrome Checker

Enter text to start checking

How to Use Palindrome Checker

  1. Enter text — Type or paste any text to analyze.
  2. Choose mode — Check the full text, individual words, or find all palindromic substrings.
  3. Set options — Toggle case sensitivity and whether to ignore spaces/punctuation.
  4. View results — See instant analysis with palindrome detection, word breakdown, and substring matches.

What is a Palindrome Checker?

A Palindrome Checker is a tool that determines whether a given string reads the same forwards and backwards. Palindromes can be single words like "radar" or "level", phrases like "A man, a plan, a canal: Panama", or even numbers like 12321.

Beyond simple checking, this tool can also find all palindromic substrings within text, analyze each word individually, and provide detailed character-level symmetry analysis — making it useful for linguistics, puzzles, coding challenges, and educational purposes.

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 "12321".

Does case matter?

You can toggle case sensitivity. By default, case is ignored so "Racecar" is still detected as a palindrome. Enable case sensitivity for strict matching.

What are palindromic substrings?

These are sequences within a longer string that are themselves palindromes. For example, in "banana", the substrings "ana" and "anana" are palindromes.

Is this tool free?

Yes, it is completely free with no limitations. All processing happens locally in your browser.

Related Tools