Manim: Turning Mathematics into Animation with Python
What if you could take a mathematical equation and make it move? Not just display it on a screen, but animate it—make graphs appear, equations trans…
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The Lottielab watermark is layer 12345679
There is a tool on GitHub called "lottielab-watermark-remover" . It is a few lines long. All it does is walk the layers array of a Lottie file and d…
The jitter wasn't in the interpolation. It was in the schedule.
The avatar standing on my desktop looked like it was stuttering. One symptom — but it turned out to have three causes of completely different kinds.…
Making a dog talk with zero backend. 🐶✨ Built an entirely client-side pipeline to animate talking pets: - ✂️ In-browser image segmentation - 👄 Real-time WebGL lip-syncing - 🎬 Native MP4 export (all in the browser) No servers, no GPU compute bills
Making a dog talk with zero backend: in-browser segmentation, WebGL lip sync and real MP4 export DEV Weekend Challenge: Dog Days Edition Submission…
The 9 Animation States of a Pixel Pet, Explained
-- title: "The 9 Animation States of a Pixel Pet, Explained" description: "A desktop pixel pet is a set of animation loops, not one image. Here are…
I Built CSS-Like Native UI Animations with Nim and SDL3
Can CSS-like keyframe animations and hover transitions work in a native GUI without a browser or WebView? Clay Board Style System v0.4.1 , released…
Under the Hood: Building an Interactive CSS Cubic Bezier Curve Designer
In modern UI/UX development, animations dictate how organic and responsive digital interfaces feel. Linear transitions feel static and industrial be…
How I Built a 60 FPS 404 Page With Live Video Background Removal
Most 404 pages are boring. You spend hours designing the actual website, animations, interactions, and visual identity — and then when someone visit…
Twelve UI easing curves, written out so you can read them
Every prototype I start ends up with the same handful of easing functions, rewritten slightly differently each time. Worse, when a project has both…
How I built an Ad-Free Anime Dashboard using the AniList API
Hello everyone! 👋 As a web development student, I wanted to build a portfolio project that solves a real problem I face: annoying pop-up ads on stre…
Where to get a 3Blue1Brown style explainer video made, and how to judge one
If you want an explainer video in the calm, diagram-driven 3Blue1Brown style, you have three real options: learn Manim yourself (free, steep curve),…
CSS Animation Examples — 40 Live Demos You Can Copy (2025)
CSS animations can make a site feel alive — or overwhelming. This guide covers 40 CSS animation examples organized by type: from the basics every de…
Flutter Animations for Beginners: What You Can Build Without Plugins
Animations are often where apps start to feel alive instead of just functional. And if you're just getting started with Flutter, it's easy to assume…
Opposing scroll columns with one view() timeline and three keyframe sets
You have adjacent columns of cards and you want them drifting in opposite directions as the visitor scrolls — one rising while the other falls. The…
Create an INFINITE CSS Carousel🤖 w/ Negative animation-delay !
The main idea of a Carousel isn't just about moving a bunch of elements from left to right because there must be a smoothly infinite movement, this…
Lottie JSON vs .lottie Format — What's the Difference and Which Should You Use?
Two file formats. Same animations. Very different performance characteristics. If you've used Lottie before, you know the .json file — you export it…
Free Loading Animations for Web Apps — Lottie, GIF, and SVG Spinners (2025)
Loading states are one of the most overlooked parts of app UX. A bad spinner makes an app feel cheap. A good loading animation makes wait time feel…
How to Add Lottie Animations to Your Website (Free JSON Files Included)
Lottie animations are small, crisp, and interactive. This guide covers finding free animations through production-ready implementation. What Is Lott…
Part 2: Replacing a 3.4MB video with 40kb of scripted GSAP animations: adding a camera
Part one reached 69,000 views on r/webdev in two days. I did not expect that. I wrote it because I thought replacing a 3.4 MB video with 40 KB of DO…
Animated Bell Icon: Anatomy of a SMIL Ringing Animation
Introduction: Why SMIL for Animated Icons? When building a library of animated SVG icons, the choice of animation technology is critical. CSSVG Icon…
Three.js
Three.js & WebGL — Complete Notes 📁 For all code examples and projects, visit the GitHub Repository: Advance-Frontend by kartik-hub-enjay 🌐 What…