# MT4 decompilation · EX4 to MQ4

Decompilation and MQ4 source recovery for MT4 indicators and EAs. Confirm editable source, dependencies and comparison checks in your quote.

Canonical: https://mqlfix.top/services/ex4-to-mq4/
Language: en
Updated: 2026-11-11

01 / MT4

# MT4 decompilation · EX4 to MQ4

Have an EX4 and need editable MQ4 source? Send the original MT4 indicator or EA for a file-specific decompilation assessment. Confirm feasibility, source delivery, price and timing before work starts.

AT A GLANCE

## Your file. The source you need.

- Platform

- MT4

- Original file

- EX4

- Requested source

- MQ4

- Program types

- Indicators & EAs

SCOPE

## Agree the outcome before work starts.

Source recovery and MT5 migration are different requests. Tell us if your end goal is to run the program on MT5, because that needs a separate implementation and test plan.

An assessment is specific to the supplied file and version. Confirm feasibility and the delivery list before making a project payment.

YOUR PROJECT

## A clear handoff on both sides.

### What to prepare

- Original EX4 and any available MQ4 / MQH files

- Terminal build, indicator or EA, and the exact issue

- Presets, dependencies and a representative screenshot

### What to agree in the quote

- Agreed MQ4 source and listed dependencies

- Compilation and installation instructions

- A comparison plan using the same inputs and environment

PROCESS

## Assess. Agree. Verify. Deliver.

- 01 Describe & send Identify the platform and goal; share files privately.

- 02 Agree the scope Confirm feasibility, output, price and delivery window.

- 03 Review the build Compare against the original under agreed conditions.

- 04 Approve & receive Settle the agreed balance and receive the final files.

### Send the file. Confirm your quote.

Reference ranges for one indicator or EA source-recovery project. The actual file, version and delivery scope determine the final quote, confirmed before payment.

YOUR NEXT STEP

## Need the source behind your EX4 or EX5?

Tell us your platform, your file and the result you need. We will confirm the scope before you commit.

- [Home](https://mqlfix.top/)
- [MT4 & MT5 decompilation services](https://mqlfix.top/services/)
- [Request an assessment →](https://mqlfix.top/assessment/?service=ex4-to-mq4)
- [Costs & questions →](https://mqlfix.top/faq/#price)
- [Published comparison →](https://mqlfix.top/cases/apex-scanner-elite/)
- [Prepare your files →](https://mqlfix.top/guides/ex4-ex5-mq4-mq5/)
- [Request a free assessment →](https://mqlfix.top/assessment/?service=ex4-to-mq4)