For advanced users, using open-source byte-code extractors to at least see the underlying logic.
Before attempting technical conversion, the most effective "free" method is to contact the original creator.
Use these tools with caution and ensure they are from trusted sources. Method C: Requesting Source Code (Ethical & Reliable) how to convert ex4 to mq4 free top
To understand why conversion is so difficult, you need to know what happens when a MetaTrader 4 (MT4) file is created:
The output from a decompiler is best used as a starting point for learning or recovery, but it will always require significant manual effort to clean up, rename variables, and verify its logic. Method C: Requesting Source Code (Ethical & Reliable)
Free if you have proof of purchase or a valid license agreement. 2. Search Open-Source Repositories
Original variable names (e.g., InputSpeed ) are often changed to generic names (e.g., _var1 ), making the code hard to read. Search Open-Source Repositories Original variable names (e
: The most reliable way to get an MQ4 file is to ask the original creator. Use iCustom for Indicators
Complex nested loops and modern object-oriented programming structures used in MQL4 often break during automated decompilation.
There is one Russian-based decompiler that technically works (name omitted for legal reasons). However:
may be able to manually reconstruct the logic of an indicator by observing its behavior, which is more reliable than automated decompiling. Explore Open Source : Study similar logic in the MQL5 CodeBase