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

Pikimov
LogoAnimation.online
Renderforest
LottieFiles for Figma
Videobolt
Canva
Panzoid
Create professional motion graphics in minutes. Free, lightweight, and built for creators. No After Effects required.
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 | flashfx.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Italy · 1 - 9 employees · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JSFiddle yet.
FlashFX is a browser-based motion graphics and animation editor, essentially an accessible, web-native alternative to Adobe After Effects. You've been building it for roughly two years through four complete rebuilds, and it's now a two-product suite. The Two Products1. FlashFX Animator The...
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
PRODUCT REVIEW | BaBylissPro FlashFX Review
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JSFiddle and FlashFX.
FlashFX's answer:
FlashFX runs entirely in the browser with no installation, no plugins, and no OS dependency. It combines a professional-grade timeline, 3D rendering, expressions, and a marketplace in one tool, at a fraction of After Effects' cost. The custom .ffx format and neural-network-driven animation features push it beyond a simple web clone into genuinely new territory.
FlashFX's answer:
FlashFX removes every barrier that makes After Effects inaccessible: price, installation, hardware requirements, and a steep learning curve. It delivers comparable core features in a browser tab, with a cleaner interface, a built-in asset marketplace, and a pricing model that doesn't lock professionals and beginners into the same expensive subscription.
FlashFX's answer:
The primary audience is motion designers, content creators, and UI/UX designers who need professional animation tools but are priced out of or intimidated by Adobe's ecosystem. This includes freelancers, indie studios, social media creators, and developers building animated assets for web and app interfaces.
FlashFX's answer:
FlashFX started as a personal project built out of frustration with the existing landscape of animation tools. After Effects is powerful but expensive, complex, and desktop-only. Browser-based alternatives were either too simple or poorly engineered. Over roughly two years and four complete rebuilds, FlashFX evolved from a rough prototype into a two-product suite with over 15,000 users, a 3,400-member Discord community, and a growing waitlist, all without any paid marketing. Each rebuild wasn't failure, it was refinement, progressively closing the gap between what the web could do and what professionals actually needed. The decision to go browser-native, use a custom binary format, and invest in 3D rendering were all unconventional bets that paid off through traction, not theory.
FlashFX's answer:
FlashFX is built in TypeScript and React for the editor layer, Three.js for 3D rendering, and a custom binary format (.ffx) for project files. Animation tooling draws influence from Theatre.js. Neural network research using Sprecher Networks powers audio-driven animation and motion curve learning features.
FlashFX's answer:
FlashFX is currently pre-revenue, so there are no paying customers yet. However, the platform has 1,200 active beta users and 2,000 waitlist sign-ups, all acquired organically, which signals strong demand ahead of any formal commercial launch.
Share your experience with using JSFiddle and FlashFX. 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 FlashFX 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 / 3 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 / over 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 FlashFX since Mar 2026.
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