: The most reliable way to get an MQ4 file is to request or purchase it directly from the original creator.
There are unofficial "decompiler" tools that claim to convert EX4 to MQL4. Here is the reality of using them: how to convert ex4 file to mql4
(We will not name specific tools here due to legal and security concerns.) : The most reliable way to get an
Is the developer contactable? → YES: Ask for source code (offer payment). → NO: Continue. how to convert ex4 file to mql4
The safest, cheapest, and most reliable way to "convert" an EX4 file is to replicate its logic manually. If you own the EX4 or know how it operates, you can hire a standard MQL4 programmer on platforms like MQL5.com or Upwork to rebuild it.