On the recordRead 4 Oct 202614 facts
RunJS
Little Paxton, St. Neots, United Kingdom
Plans and prices
Lifetime License
Priced on request
macOS, Windows, Linux · 2 devices · updates forever, including major releases · 30-day money-back guarantee
Read 4 Oct 2026 · runjs.app
Perpetual License
Priced on request
macOS, Windows, Linux · 2 devices · updates for 1 year · 30-day money-back guarantee
Read 4 Oct 2026 · runjs.app
On the record
- AI integrations
- AI Chat can connect to OpenAI, Anthropic, Gemini, Mistral, or a local model served by tools such as Ollama.runjs.app · read 4 Oct 2026
- AI key handling
- RunJS says AI API keys are stored locally and used only to authenticate requests to the selected provider.runjs.app · read 4 Oct 2026
- Code snippets
- Users can save reusable snippets and import or export them as JSON files.runjs.app · read 4 Oct 2026
- Debugging
- Logpoints print values from selected lines without changing source code or adding console.log calls.runjs.app · read 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.runjs.app · read 4 Oct 2026
- License limit
- A paid license can be active on up to two devices at the same time.runjs.app · read 4 Oct 2026
- NPM packages
- The NPM Packages tool installs libraries from the npm registry for use without setting up a project on disk.runjs.app · read 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.runjs.app · read 4 Oct 2026
- Runtime environments
- RunJS includes Node.js and browser environments for experimenting with code and browser APIs.runjs.app · read 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.runjs.app · read 4 Oct 2026
- What it does
- RunJS is a desktop scratchpad for rapidly prototyping JavaScript and TypeScript, with code results shown alongside the editor.runjs.app · read 4 Oct 2026
- Who it is for
- RunJS describes use by developers prototyping and debugging, and by teachers and students learning to code.runjs.app · read 4 Oct 2026