Compare two C files

Compare C source code with full syntax highlighting. Perfect for reviewing kernel patches, comparing function implementations, or tracking changes in embedded systems code. Supports preprocessor directives, structs, pointers, and all C features.

Features

• C syntax highlighting
• Preprocessor directive support
• Side-by-side and inline views
• Struct and pointer coloring
• Ignore whitespace option
• Share C diff via URL

Frequently asked questions

Can I compare header files?

Yes. Both .c source files and .h header files can be compared.

Can I format C code?

Auto-formatting is not available for C, but the diff highlights all changes clearly.

Does it highlight preprocessor directives?

Yes. #include, #define, #ifdef, and all preprocessor directives are syntax-highlighted.

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