Best practices
Ghidra (open source from the NSA) with custom MQL4 scripts can analyze EX4 files. However, no fully automated "one-click" solution exists here. This is for forensic engineers, not casual traders. Free Ex4 To Mq4 Decompiler Software Applications
Users often encounter these names in forums, but extreme caution is advised: Best practices Ghidra (open source from the NSA)
Free EX4 to MQ4 decompilers are technically ineffective for any software created in the last 9 years. The ecosystem for these tools is dominated by fraudulent software and malware. 2023 Subject: Feasibility
October 26, 2023 Subject: Feasibility, Risks, and Technical Reality of Free Decompilation Tools for MetaTrader 4