If you purchased or downloaded the EA, the best approach is to ask the creator for the source code ( .mq4 file).
Decompilers are specialized software tools designed to read the bytecode of an EX4 file and reconstruct a close approximation of the original MQ4 source code. Once you generate the MQ4 file, it functions as a plain text file that you can save as a TXT document.
Before diving into the "how," it is vital to understand the "why." When you write an EA in MQL4, you save it as an .mq4 (source code). When you compile it in MetaEditor, the platform converts that human-readable code into or bytecode, saved as .ex4 . ex4 to txt top
What is the of converting this file (e.g., recovering lost work, changing a setting, auditing logic)? Was the file created recently , or is it an older MT4 file?
I can provide the safest next steps based on your specific situation. Share public link If you purchased or downloaded the EA, the
To understand why converting an EX4 file to a TXT format is highly complex, you must first understand how MetaTrader 4 handles programming code.
: This article is for educational and informational purposes only. The information provided does not constitute legal advice. Laws regarding software decompilation vary by jurisdiction. Always consult with a qualified legal professional for advice on your specific situation. You are solely responsible for complying with all applicable laws and regulations. Before diving into the "how," it is vital
: If you have lost the original source code for an Expert Advisor (EA) or indicator that you yourself developed , using a decompiler to recover it is generally considered acceptable and a legitimate use case.