Alternatives to JSFiddle

An online playground for writing and testing HTML, CSS, JavaScript, React and Tailwind snippets. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • JSFiddle

    An online playground for writing and testing HTML, CSS, JavaScript, React and Tailwind snippets.

    FreemiumProprietaryWeb

Replacements

Listings that take over the same core job as JSFiddle.

  • CodePen

    An online editor for writing HTML, CSS and JavaScript and previewing the result live.

    FreemiumProprietaryWeb

    CodePen also offers a browser editor with live HTML, CSS and JavaScript preview and shareable links, as a proprietary freemium hosted service.

  • StackBlitz

    A browser-based IDE that runs full-stack Node.js web projects entirely inside the browser tab.

    FreemiumProprietaryWeb

    StackBlitz runs full Node.js projects inside the browser tab, suiting larger web projects than snippets, as a closed-source freemium service.

Similar software

Related functionality, not a direct replacement.

  • Compiler Explorer

    An interactive web tool that shows the assembly and intermediate output of compiled code.

    FreeOpen sourceWeb

  • regex101

    An online tester and debugger for regular expressions with live matches and explanations.

    FreemiumProprietaryWeb

  • Replit

    A browser-based AI app builder and coding workspace for creating and publishing apps and websites.

    FreemiumProprietaryWeb