Text & String Utilities

Case converter, line deduplicator, diff checker, word counter, and regex tester. All tools run 100% locally in your browser with zero latency.

Convert text between camelCase, snake_case, PascalCase, kebab-case, and UPPERCASE.

Remove duplicate lines from text or lists, with sorting and case sensitivity options.

Count words, characters, sentences, paragraphs, and estimate reading time.

Convert all characters in text to lowercase.

Convert all characters in text to UPPERCASE.

Randomly alternate uppercase and lowercase letters.

Capitalize the first letter of each word in text.

Convert leading spaces into tab characters.

Convert tab characters into spaces.

Convert spaces into newline breaks.

Convert multiple line breaks into spaces.