D8 Dex Merging Tool

Allows you to merge multiple dex files using D8. Supports multidex and other options.

This code has been extracted from Android Studio as a standalone tool to merge dex files using D8.

Commit Hash: 4a71eee69871580140f3ad232ae6def06562185c (2025-03-03 17:50)

Few modifications have been made so that it can be run on Android aswell.

Available through Jitpack

In root settings.gradle at the end of repositories

dependencyResolutionManagement {
    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
    repositories {
        mavenCentral()
        maven { url 'https://jitpack.io' }
    }
}

In your project build.gradle

dependencies {
    implementation("com.github.PranavPurwar:D8Merger:cfae90406c")
}

Usage

import dev.pranav.d8.merger.DexMerger;

DexMerger.merge(
    dexFiles = listOf(File("classes.dex"), File("classes2.dex")),
    outputDir = File("/path/to/outputDir")
)

View this file for information about the rest of available options.