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myCompiler
What myCompiler is
myCompiler is a browser-based IDE, compiler, and code runner for writing, executing, and sharing programs without installing development software. It supports more than 27 languages, including Python, Java, C++, JavaScript, Rust, Go, and SQL. The editor provides syntax highlighting, autocomplete, and real-time error detection, while projects can contain multiple files organized into modules. Python users get NumPy, SciPy, Matplotlib, and scikit-learn pre-installed. Code runs on cloud servers in isolated sandbox containers that are destroyed after execution, so an internet connection is required. You can run code without signing up, save programs to an account, share unique URLs, or embed an interactive editor with an iframe. The Free plan costs nothing and includes all supported languages and features. Posted programs are public and may be viewed, copied, modified, and distributed by other users.
Who it suits
myCompiler suits students, teachers, interview candidates, developers, content creators, and teams needing browser-based coding. It also fits people who want to run code without local installation.
What it does well
- Supports more than 27 programming languages
- Runs code in isolated containers
- No sign-up required to run code
- Projects support multiple files and modules
- Python libraries come pre-installed
What to know first
- Requires an internet connection
- Posted programs are publicly available
- Public code may be copied or modified
- Cloud execution is not local
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | 27+ languages · all features available at no charge · no sign-up required to run code | Free |
As mycompiler.io lists them, read 15 Oct 2026. The maker's own page has the final word.
Verdict
myCompiler provides a broad, free browser coding environment with sharing and embedding options. Consider its public-posting terms and internet requirement before using it for private or offline work.
Facts from myCompiler's own pages
- API and SDKs
- The official pages opened document iframe embedding but do not present a public API or SDK. · mycompiler.io, 15 Oct 2026
- Code editor
- The editor provides syntax highlighting, autocomplete and real-time error detection. · mycompiler.io, 15 Oct 2026
- Data retention
- Registered-account information is retained during the account and for one year after deletion, while anonymous posted content may be retained indefinitely unless deletion is requested. · mycompiler.io, 15 Oct 2026
- Editor
- The editor includes syntax highlighting, autocomplete and real-time error detection. · mycompiler.io, 12 Oct 2026
- Embedding
- The service supplies an iframe embed for placing an interactive compiler on another website. · mycompiler.io, 15 Oct 2026
- Execution isolation
- The Python page says each execution runs in an isolated container that is destroyed after completion. · mycompiler.io, 15 Oct 2026
- Free plan
- Yes · mycompiler.io, 22 Sept 2026
- Independent comparison
- Wikipedia's online-playground table lists myCompiler as free, with saving and sharing, but without collaborative editing. · en.wikipedia.org, 15 Oct 2026
- Integrations
- The privacy policy lists Google Analytics, Google Adsense, Google Recaptcha and EthicalAds as third-party services. · mycompiler.io, 12 Oct 2026
- Languages
- The site lists support for more than 27 languages, including Python, Java, C++, JavaScript, Rust, Go and SQL. · mycompiler.io, 12 Oct 2026
- Launch date
- Product Hunt records myCompiler as launched in 2019. · producthunt.com, 15 Oct 2026
- Licence
- The terms grant a limited personal service licence and state that the interface, backend systems and software belong exclusively to mycompiler.io. · mycompiler.io, 15 Oct 2026
- Limit: advanced tooling
- A Product Hunt review said debugging tools, detailed error messages and external-library integration were missing for complex work. · producthunt.com, 15 Oct 2026
- Limit: collaboration and persistence
- A 2025 comparison article lists no collaboration feature and says code is not saved after the session ends. · 0dood0.tistory.com, 15 Oct 2026
- Limit: interactive input
- Two Product Hunt reviews complained that Python input was not handled as real-time interactive input and instead required pre-entered values in the UI. · producthunt.com, 15 Oct 2026
- Limit: output layout
- A Product Hunt reviewer disliked the design and wanted code and output placed side by side. · producthunt.com, 15 Oct 2026
- Limit: project scale
- A university biostatistics guide recommends playgrounds such as myCompiler for small snippets and warns that larger projects and all R packages may not work. · biostatistics.letgen.org, 15 Oct 2026
- Mobile support
- The editor is responsive for phones, tablets and Chromebooks and requires no app download. · mycompiler.io, 15 Oct 2026
- Multi-file projects
- Users can create, rename and delete multiple files within one project. · mycompiler.io, 15 Oct 2026
- Offline use
- The site says myCompiler requires an internet connection because code is compiled and executed on cloud servers. · mycompiler.io, 12 Oct 2026
- Organization
- Saved programs can be organized with tags and searched or filtered. · mycompiler.io, 15 Oct 2026
- Praise: clean interface
- A Korean comparison article characterizes myCompiler as having a clean, intuitive interface and fast execution. · 0dood0.tistory.com, 15 Oct 2026
- Praise: language coverage
- A Japanese developer blog lists 28 languages available in May 2024 and says the site suits trying code snippets. · devlights.hatenablog.com, 15 Oct 2026
- Praise: quick testing
- A Korean developer blog reports using myCompiler to test Python, Java, C, MySQL and SQL online, with immediate execution via the keyboard shortcut. · peterica.tistory.com, 15 Oct 2026
Where myCompiler stands on Freedom251
- Code Playground Software#32 of 58
- Coding Playgrounds#103 of 138