Code at the Speed of
Thought
Experience a lightning-fast, zero-setup coding environment. Support for 60+ languages right in your browser.
Explore All Languages
From classic to modern, we support them all. Start coding in your favorite language instantly.
Why Compiliz is the Best
Experience the future of online coding with features designed for speed, security, and simplicity.
60+ Languages
Supports Python, Java, C, C++, JavaScript, Go, PHP, Rust, and many more.
Zero Setup
Browser-based coding means no installation or setup is required.
Cross Platform
Works seamlessly on desktop, laptop, tablet, and mobile devices.
Secure Execution
Code runs in isolated Docker containers for maximum security.
Easy Sharing
Share code instantly with unique URLs — perfect for collaboration.
Learning Friendly
Ideal for learning, interview prep, and debugging small projects.
Run Multiple Languages in Browser Compiler
Compiliz is not limited to just one or two languages — it’s a powerful online IDE with support for many programming languages.
Python Online Compiler
with Input SupportRun Python scripts easily, test algorithms, and get instant outputs. Practice coding problems just like in an IDE.
Java Online Compiler
JDK 17 SupportNo need to install Java locally. Compile and run instantly with JDK 17 — ideal for OOP practice, interviews, and debugging.
C Online Compiler
Fast ExecutionWrite, debug, and execute C programs in seconds. Output is shown right in the browser.
C++ Compiler
STL SupportSolve DSA problems or test STL functions with instant output. No installation required.
JavaScript Compiler
Node.js EnvironmentTest JavaScript code directly in the browser — no Node.js setup needed. Perfect for learners and frontend devs.
PHP Compiler
Web ScriptingDebug and run PHP snippets quickly. Great for testing small chunks of code.
GoLang Compiler
Concurrency ReadyExperiment with Go routines and concurrency without installing Go locally.
Rust Compiler
Memory SafeLearn Rust’s ownership model and memory safety features with no setup required.
Who Can Use Compiliz?
Whether you’re preparing for exams or building projects, Compiliz acts as your all-in-one online coding compiler without installation.
Students
Practice coding homework or assignments without downloading software.
Teachers
Share examples with students using unique URLs.
Interview Candidates
Solve coding questions instantly during mock tests.
Developers
Test snippets, debug code, or prototype quickly.
Competitive Programmers
Use Compiliz for practice sessions and solving algorithm problems online.
How Compiliz Works in 3 Easy Steps
Choose Language
Select from 60+ supported languages including Python, Java, C++, and more.
Write Code
Type or paste your code into our intelligent, syntax-highlighted editor.
Run & Share
Click Run to see instant output. Share your solution with a unique URL.
Why Developers Love Compiliz
No Setup Hassles
Run multiple languages in the browser instantly.
Free & Fast
Best free online compiler for students and professionals alike.
Cross-Platform
Works smoothly on Windows, Mac, Linux, Android, and iOS.
Beginner-Friendly
An online IDE with code execution without complexity.
Frequently Asked Questions
Is Compiliz really a free online compiler?
Which programming languages can I use?
Can I provide input to my program?
Do I need to create an account?
Can I share my code with others?
Is it safe to run my code here?
Compiliz is more than just another online compiler — it’s a lightweight, secure, and powerful coding platform built for students, educators, and developers.