- Students & Learners: Practice coding with instant feedback in any popular language.
- Educators & Instructors: Share interactive code examples and exercises in class.
- Developers & Interviewees: Test algorithms, run code snippets, or prep for interviews on the go.
- Open-Source Contributors: Experiment with code without installing compilers locally.
- Freelancers & Testers: Quickly prototype ideas or validate code logic without setup hassle.
How to Use OneCompiler?
- Open in Browser: No sign-up required—select your language and start coding.
- Write or Paste Code: Use the editor to write or import code snippets.
- Compile & Run: Execute code instantly and view output/errors in the console panel.
- Share & Collaborate: Generate shareable links to your code session for others.
- Explore Examples: Browse through built-in templates and learning materials for guidance.
- Supports 70+ Languages: From Java and Python to Rust and R.
- Live Collaboration: Share your coding session in real-time via URL.
- No Account Needed: Fully functional without sign-up or installation.
- Built-In Examples: Preloaded code templates and documentation for quick testing.
- Portable & Fast: Instant coding experience accessible from any device.
- Fast, installation-free coding environment for immediate results.
- Wide language coverage with a consistent user interface.
- Easy sharing and collaboration ideal for learning or remote work.
- Loaded with examples—great for experimentation.
- Limited integration with version control or IDE features.
- Not suited for long-running projects or complex builds.
- Lacks advanced developer tools like debugging UI and refactoring.
Free
$ 0.00
25 AI credits per day
Access to 50+ programming languages
Community support
No credit card required
Immediate setup
Plus
$ 3.39
Unlimited AI credits
Advanced challenge options
Pro
$ 6.78
Unlimited AI credits
Advanced challenge options
Ultra
$ 10.17
Unlimited AI credits
Advanced challenge options
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Editorial Note
This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.
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