JSFiddle

Spec sheet

Product

JSFiddle is a code hosting platform and online playground for testing HTML, CSS, JavaScript, React, and Tailwind.Read 5 Oct 2026 · jsfiddle.net

Audience

The homepage says JSFiddle has more than 4 million users and is used by developers, companies, and educational institutions.Read 5 Oct 2026 · jsfiddle.net

Free plan

YesRead 20 Sep 2026 · jsfiddle.net

API

The API documentation describes displaying a fiddle from a POST request without saving it on JSFiddle.Read 5 Oct 2026 · docs.jsfiddle.net

Security

The privacy policy says data is encrypted in transit with SSL/TLS and is not encrypted while live in its database.Read 5 Oct 2026 · jsfiddle.net

Privacy

The privacy policy says JSFiddle recognizes and will comply with GDPR rights, subject to applicable law.Read 5 Oct 2026 · jsfiddle.net

Support

The privacy policy directs users to contact JSFiddle by email for help exercising information rights or account assistance.Read 5 Oct 2026 · jsfiddle.net

Code assistance

The changelog describes beta AI code completion using Mistral Codestral, with users supplying their own API key.Read 5 Oct 2026 · jsfiddle.net

Company history

The about page says JSFiddle began as MooShell in 2009 and became JSFiddle in 2010.Read 5 Oct 2026 · jsfiddle.net

Editor

The live editor provides HTML, JavaScript, CSS, and result panels, and its changelog says it switched from CodeMirror to Monaco.Read 5 Oct 2026 · jsfiddle.net

Embedding

Fiddles can be embedded on other pages using an iframe or script, with selectable tabs, theme, and accent color.Read 5 Oct 2026 · docs.jsfiddle.net

External libraries

The editor can search CDNJS for libraries or accept a URL to add as a script or link.Read 5 Oct 2026 · jsfiddle.net

GitHub integration

Documentation describes loading fiddle examples from GitHub repositories and Gists.Read 5 Oct 2026 · docs.jsfiddle.net

Hosting location

The privacy policy says the site is operated in the European Union and hosted in the United States.Read 5 Oct 2026 · jsfiddle.net

Languages and starters

The homepage lists starters including React, Preact, TypeScript, CoffeeScript, SCSS, CSS Grid, Bootstrap, and PostCSS.Read 5 Oct 2026 · jsfiddle.net

Private projects

YesRead 20 Sep 2026 · jsfiddle.net

Use cases

JSFiddle documentation cites live collaboration and developer interviews as use cases.Read 5 Oct 2026 · docs.jsfiddle.net

Plans and prices

Every JSFiddle plan and price →

Where Specifiction places it

• Code Playground Software#10 of 588.3
• Coding Playgrounds#31 of 1388.5