Compare two C++ files

Compare C++ source code with full syntax highlighting. Perfect for reviewing code changes, comparing implementations, or spotting differences in header files. Supports templates, smart pointers, ranges, and all modern C++ features.

Features

• C++ syntax highlighting
• Template and STL support
• Side-by-side and inline views
• Header and source file comparison
• Ignore whitespace option
• Share C++ diff via URL

Frequently asked questions

Does it support modern C++?

Yes. C++20 concepts, ranges, std::format, coroutines, and all modern features are syntax-highlighted.

Can I format C++ code?

Auto-formatting is not available for C++, but you can compare code with any indentation style.

Can I compare header files?

Yes. Any .h, .hpp, or .cpp content can be compared.

More diff tools