
Gumlet
HTML Hoster
imageupload.app
FireImg
Uplink
imgix
Downlink
The best way to host files & images. Upload supports: file uploads, file storage, image processing, and image optimization through a worldwide image CDN.

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

Which is more popular?
Based on our record, CodePen seems to be a lot more popular than Upload. While we know about 513 links to CodePen, we've tracked only 4 mentions of Upload.
Website, pricing, platforms and company facts side by side.
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| Website | upload.io | codepen.io |
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What each product offers, as listed by its team.


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


No analysis of Upload yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Upload Amazon Prime Series Review
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What Is Codepen?
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How often each product is chosen within a category, 0–100% relative to the other.


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


We have no reviews of Upload yet. Be the first one to post
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.
Recommendations tracked on public social media and blogs since March 2021.


I have a website where visitors store and view their images. Storage is not the main part, it's just part of business. Any alternative for upload.io? They have amazing API and react components. Source: over 3 years ago
The ML Model is hosted on Replicate and Upload is used for image storage. During my 30 days of OpenAI series, I have focused on OpenAI, but in this example, the developer uses Replicate. - Source: dev.to / over 3 years ago
I couldnt ever get upload.io to work. Im seeing if dropbox will work. So far it's being very weird. Source: about 4 years ago
> 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 / 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
When comparing Upload and CodePen, you can also consider the following products.

Gumlet is an end-to-end AI-powered video streaming and image delivery platform.
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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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Upload HTML files or folders and get instant hosted URLs. HTML Hoster keeps nested assets intact for demos, landing pages, and static site previews.
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Upload and share your images effortlessly with imageupload.app. Fast, secure, and free!
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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.
Compare GitHub to Upload or CodePen: