Know what a mod does before you run it.
Drop in a Minecraft mod or client and get a report on what its code is actually able to do — stealers, loaders, miners, tampered dependencies — with a decompiler to read every line it flags.
Drop a .jar here
or click to choose a file
Fetched server-side. Private, loopback and cloud-metadata addresses are refused.
Answers without the file: whether it has been scanned here, what the verdict was, and when it was decided.
Changelog
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00:00 UTC
- 129 YARA-style rules for Java/Kotlin/Scala source and bytecode. .jar/.zip scanning, file explorer, line-level code viewer, hash lookup.
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07:30 UTC
- You can add the RatScanner bot to your own Discord server from the home page.
Docs
Drop a .jar or .zip. Every entry is extracted; text and bytecode strings are scanned against 129 rules covering stealers, miners, loaders, backdoors, tampered dependencies and obfuscation. Flags point to the exact file and line. Use the explorer to browse the archive and click any file to read it.
Info
All scanning happens in your browser. Files are never uploaded. Hash lookups are stored locally in this browser.
Account
No account required.
Verdict
Clean
No suspicious patterns detected.