Compile and run code in programming languages including C, C++, Java, JavaScript, Python, and more with Wandbox.
OneCompiler
OneCompiler lets users write, run, and share code online in more than 110 programming languages.
About OneCompiler
OneCompiler is a browser tool for writing and running code in more than 110 languages, covering programming, web and database use. The editor includes a coding agent that reads workspace files and edits them in place, with each turn saved as a checkpoint that can be restored. No installation is required.
Key features
- Example options include HTML, Python, JavaScript, Java, MySQL, C, C++, PHP and C#
- Agent uses files, input, last run output and selected code
- Agent completes instructions with multi-step reads, edits, file creation and deletion
- Review agent turns file by file with Apply, Reject and Restore
- Embed Editor and Challenges in another website with an iFrame
- Run code from backend applications through APIs and read reports
Best for: Institutions and teams running classrooms, assessments and courses at scale.
OneCompiler at a glance
- Website
- onecompiler.com
- Category
- Development › Code Editors & IDEs
- Type
- Online tool
- Pricing
- Freemium
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
OneCompiler alternatives
Tools and sites you could use instead, ranked by how closely they match.
Code can be edited, compiled, and run in many languages through myCompiler’s online IDE.
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Run, save, and share code snippets in dozens of programming languages with the glot.io online playground.
myCompiler provides an online SQL editor for writing, running, and testing SQL scripts.
CodingGround provides online programming editors and compilers for languages including C, Java, Python, and PHP.
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