To Ex4: Mq4

| Aspect | MQ4 (Source) | EX4 (Compiled) | |--------|--------------|----------------| | | Interpreted on the fly | Native execution – faster | | Code Protection | Fully exposed | Hidden from users | | Distribution | Everyone can see/modify your logic | Safe for commercial sale | | Memory Footprint | Larger (source + compile each run) | Smaller, pre‑optimized |

Three common reasons:

There are several reasons why traders and developers may want to convert their MQ4 files to EX4: mq4 to ex4

To convert an (source code) file into an EX4 (executable) file for MetaTrader 4, you must compile the code using the built-in MetaEditor. Manual Compilation Steps | Aspect | MQ4 (Source) | EX4 (Compiled)