JSFiddle is an online IDE service and online community for testing and showcasing user-created and collaborational HTML, CSS and JavaScript code snippets, known as 'fiddles'.
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Free CodePen AlternativesTop Code Editors and other similar apps like CodePen
The best free alternative to CodePen is jsFiddle. If that doesn't suit you, our users have ranked more than 50 alternatives to CodePen and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to CodePen are Replit, Firebase Studio, CodeSandbox and JS Bin.
Alternatives list
125 Replit alternativesReplit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark mode, and live code sharing.
Cost / License
- Freemium
- Proprietary
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Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
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90 Firebase Studio alternativesA cloud-based, agentic development environment designed to accelerate how you build, test, deploy and run production-quality AI applications, all in one place.
Cost / License
- Freemium
- Proprietary
Application types
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- Discontinued
Platforms
- Online
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29 CodeSandbox alternativesCodeSandbox is an online editor with a focus on creating, sharing and importing new React projects
JS Bin is a collaborative open source JavaScript debugging tool. Enter Javascript in one pane and HTML in the other and see the result; share using a short URL. Choose popular JS libs from a menu, so you don't have to remember the URL.
87 Qoder IDE alternativesQoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.
55 JSPad alternativesJSPad is a fast and lightweight online code editor for writing, testing, and previewing HTML, CSS, and JavaScript snippets instantly.
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JSitor is an online tool for testing and showcasing user-created and collaboration HTML, CSS, JavaScript and NodeJS snippets.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- iPad
- Software as a Service (SaaS)
- Liveweave
- jsFiddle
- JS Bin
- Plunker
- CodePen
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Web Maker is an easy, quick and offline web experiment playground available as a Chrome extension, with open source code available at GitHub.
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dabblet is an interactive playground for quickly testing snippets of CSS and HTML code. It uses -prefix-free, so that you won't have to add any prefixes in your CSS code. You can save your work in Github gists, embed it in other websites and share it with others.
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Very similar, both have fields for HTML/JS/CSS and both don't require an account.