Convert.Guru

CLASS Converter

Convert CLASS files online for free


Drop or upload your .CLASS file

How to convert your CLASS file

  1. Click Select File above, and choose your CLASS file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.


Convert CLASS to another file type

The converter easily converts your CLASS file to various formats—free and online. No Visual Studio Code or extra software needed.

  • CLASS to JSON
  • CLASS to JS
  • CLASS to TS
  • CLASS to PY
  • CLASS to JAVA
  • CLASS to CPP
  • CLASS to C
  • CLASS to CS
  • CLASS to PHP
  • CLASS to RB
  • CLASS to GO
  • CLASS to RS

Convert a file to CLASS

The converter also works in reverse, allowing you to convert your file into the CLASS file type—in the best quality.

  • SH to CLASS
  • PY to CLASS
  • KT to CLASS
  • PS1 to CLASS
  • SWIFT to CLASS
  • LUA to CLASS
  • PL to CLASS
  • JAVA to CLASS
  • SCALA to CLASS
  • JS to CLASS
  • VBS to CLASS
  • TS to CLASS

About CLASS files

CLASS files are a type of compiled Java bytecode file, used by the Java Virtual Machine (JVM) to execute Java programs. They are typically created by the Java compiler, and can be found in the same directory as the source code. CLASS files are not human-readable, which makes them difficult to modify or debug.

The most common way to convert CLASS files is to use a Java decompiler, such as JAD, CFR, or Procyon. These tools can convert CLASS files into readable Java source code, which can then be edited and recompiled.

When converting CLASS files, it is important to consider the version of the Java compiler used to create the CLASS file. Different versions of the Java compiler produce different versions of the CLASS file, and some decompilers may not be able to handle the latest version of the CLASS file. Additionally, some CLASS files may contain obfuscated code, which can make them difficult to decompile.

Using CLASS files can be a challenge, as they are not human-readable and require specialized software to convert. For this reason, it is often easier to use an online website such as Convert.Guru to convert CLASS files. Convert.Guru is free and easy to use, and can quickly convert CLASS files into readable source code.


The CLASS Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best CLASS converter by continuously improving quality, usability, and reliability.

Drop here