How to Open JAR Files on Android

Can Android Open JAR Files?

Android does not normally provide a built-in JAR file viewer. Jar File Opener helps you select a .jar file from device storage and inspect its internal contents.

Steps to Open a JAR File

1. Install Jar File Opener from Google Play.
2. Open the app.
3. Tap Open JAR File.
4. Select a .jar file.
5. Browse files and folders inside the archive.
6. Open supported text, manifest, or class entries for inspection.

What You Can View Inside a JAR

• META-INF/MANIFEST.MF
• Java .class files
• Text files
• JSON, XML, and properties files
• Images and resources

Common Use Cases

• Open an unknown JAR file on Android
• Check whether a JAR contains Main-Class
• Inspect Java resources
• Extract files from a Java archive