
CodePen
CodeSandbox
replit
Pastebin.com
JS Bin
VS Code
GitHub
Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Dark Reader
Stylebot
Stylus
CodePen
JavaScript Obfuscator
Amino Editor
OneCompiler
User JavaScript and CSS on any website

Which is more popular?
Based on our record, JSFiddle seems to be a lot more popular than User JavaScript and CSS. While we know about 204 links to JSFiddle, we've tracked only 13 mentions of User JavaScript and CSS.
Website, pricing, platforms and company facts side by side.
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| Website | jsfiddle.net | chromewebstore.google.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of User JavaScript and CSS yet.
Walkthroughs and reviews on video.
Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y
More videos
No User JavaScript and CSS videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JSFiddle and User JavaScript and CSS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating...
We have no reviews of User JavaScript and CSS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days? - Source: Hacker News / 3 months ago
Coding is like learning a new language—you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / over 1 year ago
As you embark on these projects, take your time to familiarize yourself with HTML tags and CSS properties. Use online tools like CodePen or JSFiddle to experiment with your code and visualize your results. - Source: dev.to / over 1 year ago
You can use such scripts on tampermonkey (chrome) or greasemonkey (for firefox) or User Javascript an CSS injector. Source: over 3 years ago
Speaking of Kbin, I made a blue theme (before) that anyone can use. Here is the CSS code. To apply it, use the chrome/brave extension called 'User JavaScript and CSS'. There are other extensions in different browsers that do the same... Source: over 3 years ago
I recommend this to use it: https://chrome.google.com/webstore/detail/user-javascript-and-css/nbhcbdghjpllgmfilhnhkllmkecfmpld. Source: over 3 years ago
When comparing JSFiddle and User JavaScript and CSS, you can also consider the following products.

A front end web development playground.
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Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
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