jsFiddle lets one easily test snippets of JavaScript/CSS/HTML code on-the-fly, adding optional libraries like jQuery.
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Comments about jsFiddle as an Alternative to CodePen
- jsFiddle is Freemium and Proprietary
- jsFiddle is Lightweight
CodePen AlternativesOnly apps categorised as Code Editors
The best Code Editor alternative to CodePen is jsFiddle, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to CodePen and many of them are Code Editors so hopefully you can find a suitable replacement. Other interesting Code Editor alternatives to CodePen are Replit, Firebase Studio, Qoder IDE and CodeSandbox.
Alternatives list
- 75 jsFiddle alternatives
94 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.
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- Freemium
- Proprietary
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- Online
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Comments about Replit as an Alternative to CodePen
cldprvI like replit because they have a great free version with AI autocomplete and chat.
- Replit is Freemium and Proprietary
- Replit is Privacy focused
66 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.
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54 Qoder IDE alternativesQoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.
30 CodeSandbox alternativesCodeSandbox is an online editor with a focus on creating, sharing and importing new React projects
63 JS Bin alternativesJS 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.
JSPad is a fast and lightweight online code editor for writing, testing, and previewing HTML, CSS, and JavaScript snippets instantly.
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66 JSitor alternativesJSitor is an online tool for testing and showcasing user-created and collaboration HTML, CSS, JavaScript and NodeJS snippets.
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- Free
- Proprietary
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- Online
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- Software as a Service (SaaS)
- Liveweave
- jsFiddle
- JS Bin
- Plunker
- CodePen
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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.
Comments about Dabblet as an Alternative to CodePen
It's purdy and doesn't have a lot of the fluff that CodePen does. Changes take place much faster here.
- Dabblet is Free and Open Source
Flems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples.
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Very similar, both have fields for HTML/JS/CSS and both don't require an account.