Open CLASS file

The most common choise: Java bytecode class

How to open Java bytecode class .class files

class file icon Have you had trouble opening the class file on your computer? What are class files? We explain what they are and recommend software that we know will open them.

What is class file?

Files with class extension are mainly  related to the Java programming language and used for compiled Java source codes known as Class bytecode files.

Java bytecode class description

File extension class is commonly used for Java Classes.  In the Java programming language, source files (*.java files) are compiled into (virtual) machine-readable class files.

Since Java is a platform-independent language, source code is compiled into an output file known as bytecode, which it stores in a class file.

If a source file has more than one class, each class is compiled into a separate class file, which can be loaded by any Java Virtual Machine (JVM).

MIME types:

Suggested software to open class file


Software set used to develop and run applications written in Java source code

Java Development Kit (JDK)

A software used to develop Java applications and applets

There are other CLASS filename extensions with the same .class suffix

class - Gambas class source

A class file extension is related to the Gambas class source format. Gambas is development environment and programming language.

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.