| Price from | €8/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | — |
| Plans published | 3 | 2 |
| Spec score · Code Playground Software | 8.3 (#10) | 7.0 (#49) |
| Privacy | The privacy policy says JSFiddle recognizes and will comply with GDPR rights, subject to applicable law. | The privacy policy says RunJS does not sell, rent, or loan identifiable customer information and describes its personal-data use as GDPR-compliant. |
| Support | The privacy policy directs users to contact JSFiddle by email for help exercising information rights or account assistance. | The creator says support questions go directly to him, and education license applicants usually hear back within a day or two. |