✦ Free · No Signup · Browser-Based

Free Online
Compiler Suite

Write, compile and run code in your browser. No installation needed. Perfect for students and developers in Patna, Bihar and across India.

100% Free
No Installation
6 Languages
Real Compilers
6
Languages
100%
Free Forever
0
Install Required
24/7
Available Online
Choose Your Language
All Compilers & Editors
Click any card to open the compiler instantly — no signup, no download.
⚡
C
C Compiler
Systems-level programming. Direct memory control and raw performance.
// hello world #include <stdio.h> int main() { printf("Hello!"); return 0; }
Open compiler → GCC · C17
🚀
C++
C++ Compiler
OOP, STL, templates and lambdas. Full C++17 standard support.
#include <iostream> using namespace std; int main() { cout << "Hello C++!"; }
Open compiler → G++ · C++17
☕
Java
Java Compiler
Write once, run anywhere. Full OOP and Java standard library.
public class Main { public static void main(String[] args) { System.out.println( "Hello Java!"); } }
Open compiler → JDK 17
🐍
Python
Python Compiler
Clean syntax, rapid scripting. Data science, AI and automation ready.
# fibonacci def fib(n): return n if n <= 1 \ else fib(n-1)+fib(n-2) print(fib(10))
Open compiler → Python 3.11
🌐
HTML/CSS/JS
HTML Editor
Build and preview web pages live. Full HTML5, CSS3 and JavaScript.
<html> <body> <h1 style="color:blue"> Hello Web! </h1>
Open compiler → HTML5 · Live Preview
🗄️
SQL
SQL Editor
Query, filter and manage data. Run SQL instantly right in your browser.
-- top users SELECT name, score FROM users WHERE score > 100 ORDER BY score DESC;
Open compiler → SQLite · MySQL
Why Acubens
Built for Students in Bihar & India
Designed for BCA, MCA and B.Tech students in Patna, Bihar. Works on any device, any browser.
⚡
Instant Execution
Real GCC, JDK and CPython on the server — not emulators. Your code compiles in seconds.
🆓
Always Free
No subscription, no login, no credit card. Free for every student in Bihar and India.
📱
Works on Mobile
Fully responsive. Code on your phone or tablet — ideal for students without a laptop.
🔒
Safe & Sandboxed
Code runs in isolated containers. Automatically terminated after 30 seconds. No data stored.
🎓
Student Focused
Built for Bihar students — practicals, assignments, exam prep. BCA, MCA, B.Tech ready.
🌐
No Setup Ever
No GCC, JDK or Python to install. Open browser and code. Works offline after first load.