Compare two pieces of text side by side and instantly see the differences. This tool highlights additions, removals, and unchanged lines — perfect for comparing code, config files, or any text content.
Paste two versions of any text and immediately see what changed. Green lines show additions, red lines show removals, and gray lines show unchanged content — just like a Git diff.
Whether you're comparing code changes, configuration updates, or document revisions, this diff checker makes it easy to spot every difference at a glance.
All comparison is done locally in your browser. No text is ever sent to any server, making it safe for sensitive code and confidential documents.