Compare two texts line by line and highlight additions and removals.
Enter text on both sides to see a line-based diff.
Spot changes between drafts, configs, or code snippets with a simple line-based diff — private and instant.
It is a practical line-based comparison designed for quick checks, not a full VCS diff engine.
Write Markdown and preview headings, lists, links, and code instantly in your browser.
Text Tools
Deduplicate lists and text files while optionally preserving order.
Text Tools
Test regular expressions with live matches, indices, and capture groups.
Developer Tools
Convert text to upper, lower, title, sentence, camel, snake, and more.
Text Tools
Count words, characters, sentences, and paragraphs instantly in your browser.
Text Tools
Find the difference between two dates in days, weeks, and more.
Calculators
