There is, however, a legitimate alternative to conversion that is free and ethical: writing the code from scratch. If a trader understands the logic of an EA—perhaps by observing its behavior on a chart or reading a description—they can hire a coder or learn to program the strategy themselves. This method, while requiring more effort, results in a clean, owned, and modifiable MQ4 file without relying on questionable decompilation tools.
: Tools like EX4 to MQ4 Decompiler 4.0 work by analyzing the bytecode of very old files. You typically launch the application and drag the EX4 file into its window to generate a basic MQ4 file. how to convert ex4 to mq4 free work