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Android tools by Coobbi

Useful Android tools for files, Java apps and network control.

Open special file formats, run Java apps on Android, inspect native libraries, monitor app connections and manage server utilities with lightweight Coobbi apps.

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File ToolsJAR, DAT, OBB, SO
Java ToolsJAR, CLASS, Swing, J2ME
Android UtilitiesNetwork and server tools
Jre4Android iconJre4AndroidRun JAR, CLASS, Swing GUI and J2ME Java apps on Android.
Jar File Opener iconJar File OpenerOpen, inspect, decompile and extract JAR files on Android.
Coobbi File ToolsDAT File Opener, OBB File Opener and SO File Viewer.

Featured Apps

Start with Coobbi’s core Android tools for Java apps, file inspection and network control.

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Jre4Android icon

Jre4Android

Run JAR files, CLASS files, Java Swing GUI apps and J2ME apps directly on Android.

Learn moreGoogle Play
Network Speed Monitor & Firewall icon

Network Speed Monitor & Firewall

Monitor internet speed and block unwanted app connections without root.

Learn moreGoogle Play

File Tools

Dedicated Android file opener apps for JAR, DAT, OBB and native SO libraries.

Popular Tutorials

Guides that help users solve common Android file and Java tasks.

All tutorials
How to Run JAR Files on AndroidUse Jre4Android to run compatible Java JAR apps directly on Android.Run Java Swing Apps on AndroidLaunch desktop-style Java Swing GUI apps with touch, zoom and virtual mouse controls.How to Run .class Files on AndroidRun compiled Java CLASS files from your Android device.J2ME Emulator for AndroidRun classic Java ME apps and games on Android.How to Open JAR Files on AndroidOpen, browse and inspect Java JAR archives on Android.How to View MANIFEST.MFCheck Main-Class, Manifest-Version and other JAR metadata.

Build your Android utility workflow with Coobbi Tools.

Use one tool to inspect files, another to run Java, and more tools for network monitoring and server management.

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