Code online with CodeCompiler.
CodeCompiler by ForgeSparse helps developers worldwide write, run & share code online — free, fast, no installation.
Built with the languages & tools you already use
APIs, editor embedding & more
Everything you need to bring a real code runner into your own product, classroom or workflow.
Embed the editor
Drop our editor and challenges into your site as an iframe and ship code-execution in minutes.
Run code via API
Call our REST API from your backend to execute code, fetch results and stream output.
Custom workflows
Need something bespoke? Talk to us and we'll help you wire up a workflow the API doesn't cover yet.
Built for classrooms & teams
Spin up a private space for your team or classroom. Share snippets, review each other's runs and keep every language your group needs in one place.
Shared workspaces
Invite teammates or students into an org and organize work into teams.
Discuss inline
Leave comments and questions right next to the code that prompted them.
Track challenges
Assign exercises and see who's completed them at a glance.
def merge_sort(arr):
if len(arr) <= 1:
return arr Aisha reviewing
mid = len(arr) // 2
...