Compare two Dart files

Compare Dart source code with full syntax highlighting. Perfect for reviewing Flutter widget changes, comparing state management code, or tracking package updates. Supports null safety, async/await, mixins, and all Dart features.

Features

• Dart syntax highlighting
• Flutter widget support
• Side-by-side and inline views
• Null safety coloring
• Ignore whitespace option
• Share Dart diff via URL

Frequently asked questions

Does it support Flutter?

Yes. Flutter widgets, BuildContext, StatefulWidget, and all Flutter patterns are highlighted.

Can I format Dart code?

Auto-formatting is not available for Dart, but you can run dart format locally first.

Does it handle null safety?

Yes. Nullable types (?), late, and required keywords are syntax-highlighted.

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