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

Microsoft Visual Studio
Eclipse
Qt Creator
Netbeans
Xcode
IntelliJ IDEA
Xamarin.Android
Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users.

Which is more popular?
Based on our record, CodePen seems to be a lot more popular than Code::Blocks. While we know about 513 links to CodePen, we've tracked only 3 mentions of Code::Blocks.
Website, pricing, platforms and company facts side by side.
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| Website | codepen.io | codeblocks.org |
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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
Overall verdict
Why this product is good
Recommended for
Code::Blocks is recommended for beginners, students, and hobbyists who are learning C or C++ programming. It's also suitable for developers who prefer a lightweight and customizable IDE without a steep learning curve. Users who need to work across different operating systems will appreciate its cross-platform capabilities.
Walkthroughs and reviews on video.
What Is Codepen?
More videos
How to use CodeBlocks IDE for C Programming
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodePen and Code::Blocks. 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.
Customizability is another strong suit of Code::Blocks, as you can enhance your development experience with various plugins. Whether it's additional language support, enhanced editing capabilities, or other tools, the...
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
These IDEs support multiple languages. There are language focused IDEs IntelliJ Idea for Java, Atom for Web, Codeblocks for C++ and so on. - Source: dev.to / over 4 years ago
I think other editors are either too domain-specific or are too obscure. Source: about 5 years ago
Code::Blocks — Free Fortran & C/C++ IDE. Open Source and runs on Windows,macOS & Linux. - Source: dev.to / over 5 years ago
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Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
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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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Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.
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