Even with Ghidra or IDA Pro, decompiling a UF2-derived binary will give you the original source code. Here is why:
No standalone “UF2 to C” decompiler exists – and likely never will, due to architecture variability. uf2 decompiler
This is the deep part. UF2 is designed for open hardware. Adafruit, SparkFun, and Raspberry Pi publish their UF2 files openly. Decompiling them is an act of learning. Even with Ghidra or IDA Pro, decompiling a
Ghidra will produce a representation. It is not the original source code, but a functional equivalent. UF2 is designed for open hardware
And if you are a developer shipping UF2 files: A UF2 file is a great delivery mechanism, but a terrible archive format.
We can’t decompile garbage. The first function in our tool is a validator and reassembler. We scan for the magic start 0x0A324655 . If we find it, we know exactly where the payload sits.