Reverse Engineering
for Professionals.

Decompile and debug binary code.
Break down and analyze document files.

JEB v2.2.11 (2017/04/19) October 10: Advanced Debugger Usage with the Interpreter
Brand new documentation for JEB is available

JEB Decompiler

Reverse engineering is a complex and lengthy task. Use the right software for the job and cut down on expensive man-hours.

JEB is a modular reverse engineering platform for professionals. Its extensible nature allows reverse engineers to perform disassembly, decompilation, debugging, and analysis of code and document files, manually or as part of an analysis pipeline.

JEB for Android ships with specialized modules to statically and dynamically analyze Android applications, goodware or badware, small or large.

JEB for PDF is the best PDF document analyzer in the industry. Use it to manually or automatically reverse engineer documents.

A sample of our customers

Our customers love JEB

"JEB has proved invaluable, both as the principal manual reverse-engineering tool for Android apps as well as within our automation back-ends." – Engineer at a US Defense Contractor

"JEB rescued me many times reversing APKs where free decompilers failed. It is simply the best and even runs on my Mac." – Researcher at Forcepoint (ex-Websense)

"Been wondering what we use to decode APKs for teardowns? Secret sauce is JEB." – Reverse Engineer at Android Police

"Decrypting encrypted classes using JEB and a custom plugin. Sure saves a lot of time!" – Security Researcher Justin Case

Learn more about JEB