Finding a functional "EX4 to MQ4" decompiler on GitHub is difficult because MetaTrader 4 significantly strengthened its file encryption in newer builds (Build 600+) . Most repositories you will find are either for discontinued software or Top GitHub Projects & Their Reality
The most popular repositories on GitHub generally fall into two categories: Wrappers (Not Actual Decompilers): FX31337/ex4_to_mq4_cli
: This is widely cited but is only a Command Line Interface (CLI) wrapper for an old, third-party binary ( ex4_to_mq4.exe does not include decompile ex4 to mq4 github work
the decompiler itself and only works on very old EX4 files (pre-2014). Analysis Tools (Metadata/Pattern Extraction): AdibSadman192/Ex4-to-Multiple-Readable-Language-Converter
: This tool focuses on pattern recognition and metadata extraction. It can identify trading strategies (e.g., scalping, martingale) but generates pseudocode rather than a compilable Archival/Stale Repositories: ex4-to-mq4-2023 Finding a functional "EX4 to MQ4" decompiler on
: Often surfaced in searches, these are frequently low-activity repositories that rarely deliver functional results for modern builds. Critical Limitations
MetaTrader 5 (MT5) uses a different compilation model (.ex5 files) with even stronger protection. GitHub decompilers for MT5 are almost universally non-functional. If you're starting fresh, consider moving to MT5 and keeping meticulous backups of your source code. It can identify trading strategies (e
Explain you lost the source. Many developers will send you the MQ4 file if you prove purchase.