The honest answer is:
If free tools are so problematic, what about paid decompilers? Companies like "Ex4 to Mq4 Converter" (available on various coding forums) charge $200-$500.
to decompile the specific EX4 file in question. When in doubt, consult an attorney knowledgeable about intellectual property law in your jurisdiction. How To Convert Ex4 To Mq4 Free
However, beware of circulating online. Security analyses have flagged some variants—such as "AllinOne ex4 to mq4 tool MAY 2022 update.exe"—as containing malware classified as Malware.Win32.Generic.cld , exhibiting Trojan-like behavior patterns.
What is it? (an indicator, a script, or an Expert Advisor?) The honest answer is: If free tools are
If you are decompiling a $30 EA for personal learning, a free tool is fine. If you are trying to recover a lost proprietary strategy worth thousands, pay for a professional service or rewrite from scratch.
. While older files (pre-build 600) could be decompiled with relative ease, newer MetaTrader 4 builds use advanced compilation and optimization that make full recovery nearly impossible for free. Below is a guide on how to approach this task today. The Realities of EX4 to MQ4 Conversion EX4 vs. MQ4: When in doubt, consult an attorney knowledgeable about
If you must attempt a conversion without paying for professional recovery services, here are the available avenues:
The most direct and ethical way to obtain an MQ4 file is to request it from the creator. Developers sometimes provide the source code upon request, sell it for an additional fee, or offer open-source versions of their tools on the MQL5 Community marketplace. 2. Hire a Programmer to Rebuild the Logic
Software like Decompiler 4.0.432 attempts to restore code by analyzing the binary. Does not work on modern EX4 files; high risk of malware. Advanced reverse engineering tools used by experts.