Free Loading Animations for Web Apps — Lottie, GIF, and SVG Spinners (2025)

<p>The App Router flipped the default. Every component you write is a Server Component until something opts it out, and one <code>'use client'</code> at the top of a file opts out

<p>Two file formats. Same animations. Very different performance characteristics.</p> <p>If you've used Lottie before, you know the .json file — you export it from After Effects

<p>The brat aesthetic is simple by design — bold lowercase text, solid color background, nothing else. Building a tool around that simplicity turned out to be more interesting

<p>Open any app. Something is loading. What do you see?</p> <p>If it’s a spinner, it’s just a circle going round and round. You don’t know what’s loading, how much is left, or how