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

Domains Monitor
zonefiles.io
Newly Registered Domains Lists
DomainTools
Domain-Monitor.io
WhoisXML API
Domains Index
Daily updated lists of registered domain names, downloadable domain datasets. WHOIS and Reverse-DNS datasets.

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 | netapi.com |
| Pricing | — | |
| Company | — | Startup from Cyprus |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JSFiddle yet.
Lists of 400M+ classic and country domains, WHOIS data, and reverse DNS lookup. Lists of newly registered and expired domains. Daily updated domain datasets. Accessible manually or via a simple API.
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.
Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y
More videos
No NetAPI videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JSFiddle and NetAPI.
NetAPI's answer:
We monitor 400mln+ domain names in 1,390 domain zones (including country codes), and our datasets are updated daily.
NetAPI's answer:
World-biggest domain database and robust API
Share your experience with using JSFiddle and NetAPI. 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 NetAPI 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 NetAPI since Dec 2025.
When comparing JSFiddle and NetAPI, you can also consider the following products.


List of all active domains in all zones. Registered domains database with daily updates, contact details and powerful API. ccTLD and gTLD zones with contacts and details.
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List of registered domain names updated daily
Compare zonefiles.io to JSFiddle or NetAPI:

Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
Compare replit to JSFiddle or NetAPI:

Domain Index’s Newly Registered Domains List is an extensive daily compilation of newly registered domain names as they appear in the Domain Name System (DNS).
Compare Newly Registered Domains Lists to JSFiddle or NetAPI: