Any Online compiler you know for C or other languages?

Any online C compiler that you know which can do the following:

  • Compile and execute the C programs online
  • File handling
  • System functions like exec(), system(), fork()

Or any compiler which does not need installation procedure (I mean that you can just copy paste a folder to run the compiler easily)

Note:Please do not propose Turbo C.I know some online compilers at (gcc). I was using but its out of service now I think. And as asked above online compiler will be a best advice that you can give for me.

My environment is Windows ... Thanks in advance. Any advices on other Language compilers are also invited


Just install something like tcc. It's seriously not worth messing around with an online compiling site if you're going to be compiling files on any sort of regular basis.

Comeau has an online C/C++ compiler, but it's mainly to evaluate their compiler.

or cygwin

I'd rather recommend to install cygwin, you'll get an unix-like environment, with gcc. Then setting up a Makefile - or even just a shell script - to be able to compile is not a big deal.

You asked for other languages: Here's one for Lisp (not a compiler, but an interpreter)

Online Lisp interpreter in Flash


Maybe my answer is a bit late, but we have created an online compiler and IDE where you can run and create your files using just a browser.

At the moment we support a few languages (C, C++, ObjC, Java, Pascal, Fortran) and a simple file system, but we will enable many more features for better coding and debugging during the near future.

All the features offered at the moment are completely free and there is no registration needed (you can register though in order to keep your files online).

You can try our service here:

DJGPP Public Access Cross-Compiler (C/C++, DOS32, based on GCC)

yet another online compiler:

It supports sytax highlight, indentation etc. I wrote it as a part of my MS thesis

PS: did not test fork command

We have another compiler for C and C++ here:

I have nothing for C. For other languages, this is a ruby interpreter. But honestly the best online development environment is the browser itself. Javascript is an advanced language. Combined with technologies like CSS and DHTML and frameworks like jQuery or Prototype you can build graphics applications. It is not hard to find debuggers (like Firebug) also.

Of course you can't interact with the file system. To overcome this you could write a plug-in for a browser (notably Firefox). There are many resources available for this and although it is not as straight forward as pure javascript, it is easier than most people believe.

For Python and Sage, try out It is also open source under the BSD license, so you can be download and run it from your own computer, more info is here:

just a sudgestion.

I do not know why you do not want simply to install a compiler. However did you considered the possibility of using a portable one?

best, Ste

One of the better lists for C++ is isocpp Getting Started page. Unfortunately Cameau's seems to be disabled for now. LiveWorkspace has been in maintenance mode for a while and it is not clear when it is coming back, which is unfortunate since it has a simple interface and when it was working allowed you to switch between gcc, clang and intel very easily.

Of the ones that are left Coliru is the most powerful, you have a full command line available and you can save files and therefore uses multiple files in your project.

The isocpp list somehow is missing codepad which although rather primitive along with Coliru allows you to use boost.

Coliru, ideone and codepad all support many other languages as well. The list of languages supported by ideone and codepad is pretty large and is obvious on the main pages with Coliru you don't have a list but besides C and C++ it also supports python, perl and ruby.

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