13 Online Java Compilers: Best Services for Running Code in the Browser

Online Java compilers are suitable for students, teachers, and developers who want to quickly check a solution, practice, or share code with colleagues. In this article, we have gathered services so that you can choose the right tool for learning, work, or hobby.

JDoodle
The service supports more than 70 languages, including Java, making it a universal tool. Here you can run scripts, share results via a link, and even use the API for automation. JDoodle is often used for quick code checks and collaboration. 

Replit
One of the most well-known tools. It supports Java and dozens of other languages, allows creating full-fledged projects, connecting libraries, and working in a team. This is the choice for those who want not only to run code but also to develop projects online.

OnlineGDB
An online compiler and debugger in one. Here you can run Java code and step-by-step track program execution, set breakpoints, and analyze variables. Suitable for those who want to understand how algorithms work in more depth.

CodeChef IDE
Online IDE from the educational platform CodeChef. Here you can run Python code, test solutions, and immediately use it in CodeChef tasks. An excellent tool for those preparing for programming competitions or improving their algorithmic thinking. 

Programiz Java Compiler
The Programiz Java online compiler is designed with beginners in mind. The interface is simple and clear, and there are always ready-made code examples and educational materials nearby. A great option for students who are just starting to learn programming.

Ideone
Ideone is a multilingual platform for compiling code online. It supports more than 60 languages, including Java. Here you can quickly test a small fragment of a program and get the result, as well as share code via a link.

TutorialsPoint Java Compiler
A simple and fast online Java compiler from TutorialsPoint. It features a minimalist interface and good performance. It is mainly used for quick code experiments and testing ideas.

OneCompiler
OneCompiler is an online IDE that supports Java and dozens of other languages. It has a console for input, code auto-completion, and the ability to save projects. An excellent tool for both beginners and experienced developers.

Rextester
Rextester is a lightweight tool for checking Java code online. It is ideal for testing small programs and fragments. There is an option to share code with colleagues via a unique link.

Sphere Engine
Sphere Engine is not just a compiler, but an entire platform for integrating code compilation into web applications. It supports Java and other languages and is often used by educational resources and online competition platforms.

GeeksforGeeks IDE
The GeeksforGeeks online IDE is an excellent tool for programmers who solve problems on the platform. It supports Java and other languages, saves code, and allows sharing it within the community.

Paiza.IO
A convenient online compiler where you can run Java code and save projects. It stands out for its high compilation speed and ease of use. It supports project sharing via links.

Browxy
One of the oldest online Java compilers. It allows running full-fledged programs, working with console input, and sharing results with other users. A great option for students and teachers.