D8 is the command-line tool used to compile Java bytecode into DEX bytecode for Android. You can obtain it through these official methods: Android Developers Android SDK Build-Tools (Recommended) Install the Android SDK Build-Tools using the SDK Manager in Android Studio : Once installed, the executable scripts ( for Linux/macOS or for Windows) are located at: android_sdk/build-tools/ /d8 Internal JAR : The actual library is usually found at build-tools/ /lib/d8.jar or merged into in the same directory. Google Maven Repository
/home/ /Android/Sdk/build-tools/ /lib/d8.jar
C:\Users\user\AppData\Local\Android\Sdk\build-tools\31.0.0\lib\d8.jar d8.jar download
: Google provides raw builds from their continuous integration (CI) system.
By following this guide, you should be able to successfully download, install, and use D8 in your Android development workflow. Remember that D8 is just one part of the R8 project, and for complete optimization, you may want to explore using R8 for code shrinking as well. D8 is the command-line tool used to compile
For example, on Windows, you might find d8.jar at:
If you're using Xamarin.Android, you can enable D8 by adding this to your .csproj file: By following this guide, you should be able
Last updated: 2025 – D8 version 8.x and higher.
Build with: