Does punctuation matter?

No, spaces, punctuation, and capitalization are all ignored before checking for a palindrome.

Palindrome Checker

Check if text is a palindrome, ignoring case, spaces, and punctuation.

Inputs

Results

Try an example

Formula

Normalized text compared to its reverse

How Palindrome Checking and Text Reversal Actually Work

The normalization step that makes palindrome checking work, and the simple string-reversal logic behind it.

Text Reverser

Reverse the characters of any text.

Word Counter

Count words, characters, and sentences in a block of text.

Text Case Converter

Convert text to uppercase, lowercase, title case, or sentence case.

Slug Generator

Convert text into a URL-friendly slug.

Character Frequency Counter

Count how often each character appears in a block of text.

Duplicate Line Remover

Remove duplicate lines from a block of text, keeping the first occurrence.