Ex4 Decompiler Github Page

Have a legitimate need to recover an old EA? Consider hiring an MQL4 programmer to recreate the logic from scratch—it often costs less than the legal headache of a decompiler gone wrong.

Decompiling proprietary EAs without permission is illegal in many jurisdictions and violates most software licenses. ex4 decompiler github

Here’s a concise, positive review you can post for the GitHub project "ex4 decompiler": Have a legitimate need to recover an old EA

For over a decade, the MetaTrader 4 (MT4) platform has been the undisputed king of retail forex trading. At its heart lies the EX4 file—a compiled, machine-readable version of an MQL4 source code ( .mq4 ). Whether it’s an Expert Advisor (EA), a custom indicator, or a script, the EX4 is what the terminal actually executes. Here’s a concise, positive review you can post

Technically not a local decompiler—this is a web service wrapper that sends your EX4 to a backend server. But the source code is fully on GitHub, allowing self-hosting.

MetaQuotes explicitly forbids reverse engineering in its EULA. Additionally, EX4 files from recent MT4 builds (after build 600) include obfuscation and anti-decompilation measures, such as: