Is It Safe to Open a JAR File?

JAR files can contain executable Java code. Learn what the real risks are, how to inspect a JAR before running it, and how to stay safe.

The Core Distinction: Viewing vs Running

What Can a Malicious JAR Do?

How to Inspect a JAR Before Running It

JAR Code Signing: Verify the Source

Safe Practices for Downloading JAR Files

Minecraft Mods: A Common Case

Summary