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

Lovable
bolt.new
v0.app
replit
MicroDolphin
AI-Powered Website Builder
Puter AI Builder
AI website builder and app maker. Describe your idea, AI builds it live, deploy in one click. Includes AI agents that run your business 24/7.

Which is more popular?
Based on our record, CodePen seems to be more popular. It has been mentioned 513 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codepen.io | youmake.dev |
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
What Is Codepen?
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodePen and Youmake.dev.
Youmake.dev's answer:
People should choose YouMake.dev because it combines AI website building, app development, automation agents, and instant deployment into one simple platform that saves time, cost, and technical effort.
Youmake.dev's answer:
YouMake.dev is unique because it lets users describe an idea in plain English and instantly builds fully functional websites and apps live with AI, including automation agents and one-click deployment.
Youmake.dev's answer:
YouMake.dev is primarily designed for startups, entrepreneurs, freelancers, agencies, creators, and small businesses that want to build websites or apps quickly without coding.
Youmake.dev's answer:
YouMake.dev was created to simplify software development by allowing anyone to turn ideas into fully functional websites and apps using AI instead of traditional coding.
Youmake.dev's answer:
YouMake.dev is built using modern AI models, no-code/low-code infrastructure, full-stack web technologies, and automation agents that handle code generation, UI design, and backend deployment.
Youmake.dev's answer:
YouMake.dev does not publicly disclose its customer list or specific clients, so its biggest customers are not shared publicly.
Share your experience with using CodePen and Youmake.dev. 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.
We have no reviews of Youmake.dev yet. Be the first one to post
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 / 3 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 / 4 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 / about 1 year ago
Tracking Youmake.dev since May 2026.
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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.
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