Generate strongly-typed parsers from .whfmt binary format definitions — C#, zero-alloc Span<byte>, F#, Rust, or VB.NET. 789 binary formats supported (whfmt schema v3). Rich types: enums for valueMap, [Flags] enum for bitfields, List<T> for repeating, nullable for conditionals. Typed exceptions: InvalidSignatureException, ChecksumMismatchException, TruncatedFileException. Commands: gen, dump. Install: dotnet tool install -g whfmt.CodeGen