jclasslib-bytecode-viewer ☆
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Description:
Visualise all aspects of compiled Java class files and the contained bytecode
Type: Cask  |  Latest Version: 7.1@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: java bytecode development class-inspector debugging
Install: brew install --cask jclasslib-bytecode-viewer
About:
jclasslib is a comprehensive tool for analyzing compiled Java class files, providing detailed views of the class structure, bytecode instructions, and constant pool entries. It allows developers to inspect the low-level components of Java bytecode without needing to use command-line tools like javap. This visual approach helps in understanding how Java code is compiled and executed by the JVM.
Key Features:
  • Graphical viewer for Java class file structures
  • Detailed bytecode instruction analysis
  • Constant pool and attribute inspection
Use Cases:
  • Debugging complex bytecode generation issues
  • Learning how Java language features map to bytecode instructions
  • Analyzing third-party libraries at the bytecode level
Alternatives:
  • JD-GUI – Focuses on decompilation to Java source code rather than bytecode visualization
  • javap (CLI) – Command-line tool with similar functionality but lacks graphical interface
Version History
Detected Version Rev Change Commit
Apr 23, 2026 7:25pm 7.1 0 VERSION_BUMP ce07f05c
Aug 5, 2025 2:20pm 6.1 0 VERSION_BUMP 3b98062e
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