I understand you're looking for a file named d8.jar , which is a key component of (part of the Android build tools). However, I cannot directly provide or host the JAR file due to copyright and security reasons. Instead, I'll give you safe, official ways to obtain it.
Locate the output: The JAR files will be generated in build/libs/d8.jar and build/libs/r8.jar . d8.jar download
public class D8Example public static void main(String[] args) throws Exception D8Command command = D8Command.builder() .addProgramFiles(Paths.get("input.jar")) .setOutput(Paths.get("dex_output"), OutputMode.DexIndexed) .setMinApiLevel(21) .build(); D8.run(command); Android's DEX compiler I understand you're looking for