What diff algorithm is used?

The tool uses the Myers longest common subsequence (LCS) diff algorithm, the same standard algorithm employed by Git and modern IDEs.

Comparison & Patch Utility

Code Diff & HTML Compare Tool

Compare two snippets of code, HTML, CSS, or JSON with visual line-by-line additions and deletions highlighting.

Original Code

Modified Code

Diff Analysis Output

Enter text above to see the comparison diff.

Ready

0 differences

Visual Code Comparison in the Browser

Comparing code changes between git branches, tracking modifications in CMS templates, or reviewing CSS tweaks is fast and secure with our client-side diff visualizer.