
CodePen
CodeSandbox
replit
Pastebin.com
JS Bin
VS Code
GitHub
Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

SaaSHub
AlternativeTo
Slant.co
Product Hunt
GetApp
BetaList
TrustRadius
Discover the latest AI tools, apps, and tech products for founders, makers, and startups. Curated for quality to help you build, launch, and grow faster.

Which is more popular?
Based on our record, JSFiddle seems to be more popular. It has been mentioned 204 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | jsfiddle.net | startfa.st |
| Pricing | — | |
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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
Walkthroughs and reviews on video.
Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y
More videos
StartFast Review- Experiences With This SAAS STARTER KIT Platform? See?(Do not Use Yet)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JSFiddle and StartFast.
StartFast's answer:
StartFast is fully curated by hand, not auto-generated. Instead of flooding users with thousands of low-quality or repetitive tools, it delivers a signal-only directory of the best AI, dev, and startup products. It’s fast, simple, and designed for builders who want quality over quantity. No noise, no spam, no bloat, just tools worth knowing.
StartFast's answer:
Because most tool directories recycle the same 20–30 products or list everything without curation. StartFast focuses on discoverability and speed.
People choose StartFast because:
You don’t waste time digging through noise, you find the right tools quickly.
StartFast's answer:
StartFast is built for people who build things:
Anyone who needs to discover high-quality tools fast is the core audience.
StartFast's answer:
StartFast began as a personal list. The AI and dev tool ecosystem was moving too fast, every day new tools launched, disappeared, or got buried under hype. Keeping track became impossible.
So StartFast was built to solve that problem:
StartFast's answer:
StartFast is still early, but already getting traction receiving many visits, and it's already being used by:
Share your experience with using JSFiddle and StartFast. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating...
We have no reviews of StartFast yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days? - Source: Hacker News / about 2 months ago
Coding is like learning a new language—you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / about 1 year ago
As you embark on these projects, take your time to familiarize yourself with HTML tags and CSS properties. Use online tools like CodePen or JSFiddle to experiment with your code and visualize your results. - Source: dev.to / over 1 year ago
Tracking StartFast since Nov 2025.
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
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Slant is a collaboratively edited resource that helps you quickly make decisions.
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