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Trusted file extension guides and opening help from the original project since 2008.

How to open .JAR files on Linux

To open .JAR files on Linux, open the .jar file from your file manager with open with..

Step-by-step instructions

  1. Open the .JAR file from your file manager with Open With.
  2. Choose an installed Linux app that supports this format.

Recommended software

  • Built-in extractor
  • 7-Zip
  • WinRAR

Alternative methods

  • Open .JAR in a browser-based viewer if desktop apps fail.
  • Try opening .JAR on Linux with a secondary app to rule out app-specific issues.
  • Convert .JAR only with trusted tools when direct opening is not possible.

Common issues

.JAR file does not open

This usually means the required app is missing or the .JAR file is incomplete.

  1. Install or update a compatible application.
  2. Verify the file came from a trusted source and was fully downloaded.
  3. Try opening the file in an alternative app on another platform.

Security note

Only open .JAR files from trusted senders.

Back to .JAR extension page