Most modern EX4 files are nearly impossible to decompile perfectly.
As of April 2026, finding a working on GitHub is difficult because MetaQuotes (the developers of MetaTrader 4) significantly upgraded their encryption and compilation methods with Build 600+ in 2014 . Most GitHub repositories listed for this purpose are either wrappers for older, discontinued software or analytical tools that provide pseudocode rather than a recompilable source file. 🛠️ Known GitHub Projects and Their Functions decompile ex4 to mq4 github work