jsFiddle is described as 'Lets one easily test snippets of JavaScript/CSS/HTML code on-the-fly, adding optional libraries like jQuery' and is a very popular Code Editor in the development category. There are more than 50 alternatives to jsFiddle, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Self-Hosted apps. The best jsFiddle alternative is CodePen, which is free. Other great sites and apps similar to jsFiddle are Replit, Pastebin.com, JSPad and Ideone.
CodePen is a communal front-end development platform providing real-time HTML, CSS, and JavaScript previews. Users can build projects, test code, and enhance skills through challenges. Features include Presentation Mode for conferences and a vast active community for sharing and discovery.
Replit 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.
A platform designed for effortless text storage and sharing online, highly utilized by programmers for sharing source code and configurations. Offers public and private pastes, text expiration, optional pro accounts, integration options, but lacks real-time editing and collaboration tools.
jsfiddle allows you to run the shared javascript. pastebin does not, AFAICS.
pastebin is not used to execute code that is the main functionality of jsFiddle and other playgraounds
JSPad is a fast and lightweight online code editor for writing, testing, and previewing HTML, CSS, and JavaScript snippets instantly.
ideone.com is a... pastebin. But a pastebin like no other on the Internet. More accurate expression would be
JSitor is an online tool for testing and showcasing user-created and collaboration HTML, CSS, JavaScript and NodeJS snippets.
I am using this tool now on a daily basis and I can definitely say that this is a great competitor of JSfiddle.
JSitor is almost like JSfiddle. It supports almost all features which are supported in JSfiddle. The bonus is, it also supports NodeJS which is so great. It's really helpful.
The mobile apps and web tool is great and easy to use.
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.
Experience immediate HTML code testing with QuickPreview. Just paste your code for real-time results, compatible with tools such as ChatGPT Canvas and Claude Sonnet 1.5. No setup or additional software needed, ensuring efficient and hassle-free debugging and testing.
CodeSandbox is an online editor with a focus on creating, sharing and importing new React projects
Plunker is an online community for creating, collaborating on and sharing your web development ideas.
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Pastebin is used of copy-pasting the text for sharing purpose, however, JSFiddle is not used for that. JSFiddle is a development tool and used for writing web snippets.