Convert a JAR or .class File to DEX (d8 Guide)

Compile Java .class files or a JAR into Android classes.dex with d8 from the Android SDK. Commands for Windows, Mac and Linux, plus the errors you will hit.

Step 1: Check the JAR Before Converting

Step 2: Find d8 in the Android SDK

Step 3: Convert a JAR to DEX

Step 4: Run the DEX on a Device (Optional)

Common d8 Errors

Summary