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

SimPhy
Algodoo
Motion Magic Physics Simulator
Akinator
Minecraft
Crayon Physics Deluxe
PhET Interactive Simulations
Browser-based 2D physics sandbox for teaching and tinkering

Which is more popular?
Based on our record, CodePen seems to be a lot more popular than Physion. While we know about 513 links to CodePen, we've tracked only 2 mentions of Physion.
Website, pricing, platforms and company facts side by side.
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| Website | codepen.io | physion.net |
| Platforms | — | |
| Company | — | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CodePen yet.
Physion is a free browser-based 2D physics simulator. Draw rigid bodies (circles, rectangles, capsules, polygons, gears, text and polylines), connect them with joints and springs, then simulate liquids, soft bodies and particle emitters. Boolean shape operations and a scriptable laser raycast are...
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
No analysis of Physion yet.
Walkthroughs and reviews on video.
What Is Codepen?
More videos
Liquids and Soft Bodies Simulation
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodePen and Physion. 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 Physion 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 / 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 / 12 months ago
'time scrolling by' with alias of clock time displayed everytime 'enter'/'return' pressed[0a][0b] would seem a bit easier to do than pop-up physics demo with 'clock displaying time flying through demo virtual space[1]. Although the later... - Source: Hacker News / over 2 years ago
Please give it a try at https://physion.net. Source: over 4 years ago
When comparing CodePen and Physion, you can also consider the following products.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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Algodoo is a 2D simulator freeware product designed as a physics learning tool. It was originally created by Emil Emerfeldt as part of his master’s thesis in 2008. Read more about Algodoo.
Compare Algodoo to CodePen or Physion:

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 Physion:

Motion Magic is a physics simulator built to help students visualize and solve classical mechanics problems through interactive simulations and analysis.
Compare Motion Magic Physics Simulator to CodePen or Physion: