
JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
A front end web development playground.

Tailwind CSS
Foundation
Materialize CSS
Bulma
Semantic UI
UIKit
React
Simple and flexible HTML, CSS, and JS for popular UI components and interactions

Which is more popular?
CodePen might be a bit more popular than Bootstrap. We know about 513 links to it since March 2021 and only 370 links to Bootstrap.
Website, pricing, platforms and company facts side by side.
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|
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|---|---|---|
| Website | codepen.io | getbootstrap.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
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 Bootstrap yet.
Walkthroughs and reviews on video.
What Is Codepen?
More videos
Is Bootstrap Still Worth It? -- 1 Design, 2 Code Bases.
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development...
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
Bootstrap alternatives are a suite of different tools and frameworks that web developers and designers employ for creating dynamic, responsive websites and applications. These tools, like Bootstrap itself, offer...
UIKit is a modular front-end framework like Bootstrap and a Bootstrap competitor designed to develop fast and powerful web interfaces. You can utilize it with HTML or JavaScript based on your preference. It offers...
The only downside it has as compared to Bootstrap and Foundation is it is only a CSS framework, which means no JavaScript. So you will have to write your own JavaScript or Jquery to toggle your dropdowns or perform...
Recommendations tracked on public social media and blogs since March 2021.


> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support... - Source: Hacker News / about 2 months ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / 3 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 11 months ago
Reminds me of what bootstrap [1] was like around a decade ago. It's gotten quite a bit bloated since then though. 1. https://getbootstrap.com/. - Source: Hacker News / 8 months ago
But there is a new library, built from the beginning for Signal Forms. Its name is @ng-forge/dynamic-forms. It comes with an integration of common UI libraries: Angular Material, Bootstrap, but also PrimeNG and Ionic. - Source: dev.to / 9 months ago
Bootstrap used to be - and may still be - the most popular CSS framework for fast, responsive web development. It includes a set of predefined CSS classes, components, and JS plugins that make it easier to build modern design, responsive... - Source: dev.to / 9 months ago
When comparing CodePen and Bootstrap, you can also consider the following products.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to CodePen or Bootstrap:

A utility-first CSS framework for rapidly building custom user interfaces.
Compare Tailwind CSS to CodePen or Bootstrap:


The most advanced responsive front-end framework in the world
Compare Foundation to CodePen or Bootstrap:

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Compare GitHub to CodePen or Bootstrap:

A modern responsive front-end framework based on Material Design
Compare Materialize CSS to CodePen or Bootstrap: