JAR Virus Scanner Online — Check a JAR Before You Run It

Scan a JAR for viruses and malicious behavior online. Check a .jar file in your browser before running it, plus how static analysis spots risky code.

Why JARs Are Worth Scanning

Option 1: Scan a JAR Online (No Install)

Option 2: Read the Code Yourself

Option 3: Traditional Antivirus

Static Scan vs Antivirus: Use Both

Red Flags Worth Stopping For

Summary