Text Tools

Test and debug regular expressions with live highlighting, replace mode, and a pattern library.

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

Test and debug regular expressions with live highlighting, replace mode, and a pattern library.

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

Sort lines of text alphabetically, numerically, or in reverse order.

Count tokens in a prompt and estimate what it will cost across GPT, Claude, and Gemini models.

Generate placeholder text in paragraphs, sentences, words, or list items.

Live Markdown editor with GitHub-flavored preview and HTML export.

Remove duplicate lines from text while preserving the original order.

Convert any text into clean, URL-friendly slugs.

Calculate string length in characters, code points, UTF-8 bytes, words, and lines. Handles emoji and Unicode.

Convert text between uppercase, lowercase, title case, camelCase, and more.

Compare two text blocks side-by-side and highlight differences line by line.

Reverse text character by character, word by word, or line by line.

Trim leading, trailing, and extra whitespace from text.