Native Page Transitions Without a Library: A View Transitions API Walkthrough

Native Page Transitions Without a Library: A View Transitions API Walkthrough

The "thumbnail grows into a full-page hero" effect — click a product photo and watch it physically expand into the detail page, corners softening, caption gliding into place — used to mean pulling in a FLIP animation library and doing getBoundingClientRect() math by hand. The View Transitions Gallery snippet does the same morph with a single browser API and two CSS classes. No library. No math. The browser screenshots both states and animates between them for you. Here's the effect live — click a card, then click Back: Grab the code, or open the full editor with live HTML/CSS/JS panels: View Transitions Gallery on FWD Tools . The snippet is plain HTML, CSS, and JavaScript, but the same editor also has one-click export buttons for React , Vue , Angular , and React + Tailwind if you'd rather drop it straight into a component-based project than copy raw markup. In this post I'm going to walk through the whole thing A to Z — what the effect actually is, where you'd use …