Compare two text blocks and visualize differences line by line with word-level highlighting. Everything runs locally in your browser.
Paste your original and modified text above to compare
Or click "Load Sample" to see an example
All processing happens in your browser. No text data is sent to any server or stored anywhere.
Modified lines show inline word-level highlighting so you can see exactly what changed within each line.
Diff is computed in real time as you type using a Longest Common Subsequence algorithm.