More than code runs with us.



Robust, scalable, and open-source online code execution system that can be used to build a wide range of applications that need online code execution features. Some examples include competitive programming platforms, e-learning platforms, candidate assessment and recruitment platforms, online code editors, online IDEs, and many more.

  • Quick and easy installation
  • Rich and verbose API documentation
  • Scalable architecture
  • Sandboxed compilation and execution
  • Support for 60+ languages
  • Support for additional files alongside the user's program
  • Support for custom user-defined compiler options, command-line arguments, and time and memory limits
  • Detailed execution results
  • Webhooks (HTTP callbacks)

Judge0 Widgets

Easily integrate online code editor with code execution (a.k.a. online compiler) to your website with our embeddable web widgets.

Try it out here.

  • Support for 60+ languages
  • Responsive design
  • Easy embedding
  • Light and dark theme
  • Custom and reorderable layout
  • Custom CSS and branding
  • Optional UI language
  • Output validation

Judge0 IDE

Free and open-source online code editor that allows you to write and execute code from a rich set of languages. It's perfect for anybody who just wants to quickly write and run some code without opening a full-featured IDE on their computer. Moreover, it is also useful for teaching and learning or just trying out a new language.


Community Edition

You can choose between two flavors: Judge0 CE and Judge0 Extra CE.

The difference is just in the languages they support. Both flavors are open-sourced on GitHub and licensed under GPL-3.0.

Price FREE
FREE $7 / month $27 / month $53 / month
Custom pricing
Support Community support:
Public Discord Server + GitHub Issues
Community support + RapidAPI Support & Discussions Everything from BASIC + Email support
SLA with dedicated support
Infrastructure 🚜 Yours ✈️ Ours 🚀 Ours
Updates 😕 Self update 🔄 Automatic update to the latest release As you wish
Uptime 🤷 Depends on you No SLA, but it's practically 99.9% 99.9% SLA
100 / day 500 / day
+ $0.014 each additional
2000 / day
+ $0.014 each additional
5000 / day
+ $0.014 each additional
Batched Submissions
100 / day 500 / day
+ $0.028 each additional
2000 / day
+ $0.028 each additional
5000 / day
+ $0.028 each additional
200 / month 1000 / month
+ $0.007 each additional
4000 / month
+ $0.007 each additional
10000 / month
+ $0.007 each additional
50 / month 250 / month
+ $0.07 each additional
1000 / month
+ $0.07 each additional
2500 / month
+ $0.07 each additional
Deploy Get Started Contact us
1 Need more with SHARED INSTANCES or have different requirements for your use-case? No problem - contact us.

Enterprise Edition

Coming in Q2 2021. Stay tuned.

Judge0 EE and Judge0 Extra EE will be closed-sourced and will have additional features that won't be available in Community Edition.


These companies, institutions and organizations use our products.

Contact us

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