DevTools / Text
Diff Checker
Paste two versions of a text and instantly see what was added, removed, or unchanged, line by line.
Runs in your browser · No data uploaded
About this tool
This tool compares two blocks of text using a line-based diff algorithm, highlighting lines that were added (green) or removed (red) so you can quickly spot changes between two versions of code, config, or content.
FAQ
No, this is a line-by-line diff — useful for comparing whole lines of code, text, or config changes.