bytecode-viewer

Bytecode Viewer is a Java and Android APK reverse engineering suite with decompiling, editing, and debugging tools.

bytecodeviewer.com
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About bytecode-viewer

Bytecode Viewer is a Java and Android APK reverse engineering suite with a graphical decompiler, editor and debugger. It opens Android APKs, DEX files, Java class files and jars, with WAR and JSP support, and handles APK resources and conversion. It combines multiple decompilers with editing, compiling, launching and scanning tools and can export results in several formats. It runs on Java 7 with support for Java 8, works across operating systems and can associate common file types on Windows.

Key features

  • Six Java decompilers including DJ-GUI/Core, Procyon, CFR, Fernflower, Krakatau and JADX-Core
  • Bytecode decompiling with CFIDE
  • Edit APKs via Smali/Baksmali integration
  • View Jar and APK resources via APKTool.jar integration
  • Export as DEX, Jar, Class, Zip or Java Source File
  • Scan for malicious code with Malicious Code Scanner plugin
  • Launch Java applications and insert hooks via EZ-Injection
  • Compile decompiled Java classes with Ranino Compiler
Best for: People interested in Java reverse engineering

bytecode-viewer at a glance

Type
App
Pricing
Free
Platforms
Windows
Details verified
Oct 22, 2026 · Official source
Open source
Yes
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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