Compare two code files side by side with syntax-highlighted diffs. Supports unified and split view, line numbers, collapsible unchanged sections, patch export, and automatic language detection. Runs entirely in your browser -- no uploads, no server calls.
Paste or upload code in both panels, then click Compare
Let us build it for you. Custom APIs, dashboards, automations — whatever you need.
Start a Project →269 free tools. No signup. Open source. Built by Christian Bucher.