CRX id
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Description from extension meta
One click mobile viewport preview for any page.
Image from store
Description from store
Modern web audiences don’t sit still. They bounce from 27-inch monitors at work to pocket-sized screens on the train, and they expect every site to feel tailor-made for both. For designers, developers, marketers, and even everyday power users, that raises a daily question: “How will this page look on a real phone?” Chrome’s own DevTools can answer it—after you dig through menus, panels, and a thicket of device frames. Switch to Mobile View shrinks that journey to a single click or shortcut,
Tap the toolbar icon (or press Alt + M) and the current page is instantly constrained to a handset-sized viewport. A soft grey backdrop isolates the page from the rest of the browser window, making your content the star while visually reminding you that Mobile View is active. A small badge hovers in the corner displaying the current device preset—starting with iPhone 14,
The extension ships with three of the most commonly requested breakpoints—iPhone 14 (390 × 844 px), Pixel 7 (412 × 915 px), and iPad mini (768 × 1024 px). Each preset adjusts the meta viewport tag, element widths, and scroll behaviour to mimic the feel of the chosen device.
Who benefits?
Front-end developers can catch layout regressions in seconds without opening DevTools—ideal when juggling multiple branches or staging servers.
UI/UX designers gain a quick sanity check before shipping new Figma comps to engineering.
Quality-assurance teams can script keyboard shortcuts into automated test suites for faster responsive testing.
Content creators and marketers preview newsletters, landing pages, and social embeds to ensure legibility on small screens.
Customer-support agents reproducing issues reported by mobile users no longer need physical devices or simulators.
Educators and students exploring responsive design concepts get an approachable, permission-safe sandbox.
Whether you are fine-tuning a checkout flow minutes before launch or teaching a classroom full of aspiring developers, this extension slots into your workflow with almost zero learning curve.