The was developed by Microsoft for MakeCode . It is a file format specifically designed for flashing microcontrollers over MSC (Mass Storage Class), commonly known as "drag-and-drop" flashing.
While there isn't a "magic button" UF2 decompiler that returns a perfect Arduino sketch, the combination of and Ghidra provides a powerful pathway for reverse engineering. Whether you're auditing firmware for security or recovering a lost project, understanding the UF2 structure is your first step into the silicon. uf2 decompiler
A true UF2 decompiler would need to: