These isolated digital environments allow you to execute untrusted code, run unfamiliar scripts, or inspect suspicious files without risking your host operating system. By establishing a strictly contained space, these services prevent persistent changes to your local machine and insulate your personal data from potential vulnerabilities. When selecting a utility, prioritize those that offer rapid environment destruction, network access filtering, and seamless compatibility with the languages or formats you frequently test.

Android-like OS that runs entirely in the browser