RunJS
The facts below are what the maker publishes about RunJS, checked and dated. Our editors have not written about it yet.
Plans and prices
From RunJS's own pricing page, checked 4 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Lifetime License | — | macOS, Windows, Linux · 2 devices · updates forever, including major releases · 30-day money-back guarantee · Pay once |
| Perpetual License | — | macOS, Windows, Linux · 2 devices · updates for 1 year · 30-day money-back guarantee · Pay once; optional annual renewal for continued updates |
The facts
Each one read from RunJS's own pages, with the date it was checked.
What it does
- AI integrations
- AI Chat can connect to OpenAI, Anthropic, Gemini, Mistral, or a local model served by tools such as Ollama.checked 4 Oct 2026
- AI key handling
- RunJS says AI API keys are stored locally and used only to authenticate requests to the selected provider.checked 4 Oct 2026
- Code snippets
- Users can save reusable snippets and import or export them as JSON files.checked 4 Oct 2026
- Debugging
- Logpoints print values from selected lines without changing source code or adding console.log calls.checked 4 Oct 2026
- Education licenses
- Eligible students and teachers can request a free full license with one year of updates, intended for learning and teaching rather than commercial work.checked 4 Oct 2026
- License limit
- A paid license can be active on up to two devices at the same time.checked 4 Oct 2026
- NPM packages
- The NPM Packages tool installs libraries from the npm registry for use without setting up a project on disk.checked 4 Oct 2026
- Privacy
- The privacy policy says RunJS does not sell, rent, or loan identifiable customer information and describes its personal-data use as GDPR-compliant.checked 4 Oct 2026
- Runtime environments
- RunJS includes Node.js and browser environments for experimenting with code and browser APIs.checked 4 Oct 2026
- Support
- The creator says support questions go directly to him, and education license applicants usually hear back within a day or two.checked 4 Oct 2026
- What it does
- RunJS is a desktop scratchpad for rapidly prototyping JavaScript and TypeScript, with code results shown alongside the editor.checked 4 Oct 2026
- Who it is for
- RunJS describes use by developers prototyping and debugging, and by teachers and students learning to code.checked 4 Oct 2026
The company
- Headquarters
- Little Paxton, St. Neots, United Kingdomchecked 28 Sep 2026
Where it runs
- Platforms
- The site offers desktop downloads for macOS, Windows, and Linux, including Linux AppImage and Debian packages.checked 4 Oct 2026
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