Your code never leaves the browser
No upload, no queue, no account. That also means it keeps working on the cheapest shared hosting, and on a slow connection.
Compilers
No laptop setup. No install. Just code that runs.
Fifteen languages in one workspace: pick one, type, press Run, and read the output on the right in under a second. Nothing is uploaded, no account is needed, and your code stays in this browser — so you can practise on a borrowed computer at midnight and lose nothing.
Ready
Ctrl + Enter runs · Tab indents · your code is saved in this browser
How this works. Python, JavaScript, HTML/CSS, SQL, C and C++ run on full engines bundled with this site. Java, Kotlin, C#, Swift, Rust, Ruby, R, PHP and TypeScript run on the academy’s teaching dialect: the beginner subset shared by every course (variables, printing, arithmetic, if/else, loops, functions, lists and strings) is translated and executed instantly in your browser. If a line is outside that subset the console says so by line number — it never pretends to have run something it did not.
Languages
Fifteen, one page
Every one of them is a language an employer in Pakistan actually asks for.
- .py Python Beginner favourite
- .js JavaScript Browser native
- .ts TypeScript Typed JavaScript
- .html HTML / CSS Live preview
- .sql SQL SQLite
- .c C Systems
- .cpp C++ DSA
- .java Java OOP backbone
- .kt Kotlin Android
- .cs C# Unity & .NET
- .swift Swift iOS
- .rs Rust Fast & safe
- .rb Ruby Readable
- .R R Statistics
- .php PHP Server side
Split that remembers
Drag the divider to give the editor or the console more room. It remembers your choice next visit, along with your code.
Share and hand in
The share button copies a link that contains your exact code. Download saves the file with the right extension, ready to submit.
Next step
A compiler tells you it runs. A teacher tells you it is good.
Run all fifteen languages here as often as you like — then bring the code to class, where somebody reads it with you and shows you what an employer would ask next.