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Responsive preview + pro stack intelligence ViewPort Studio is a modern responsive preview extension designed for designers, frontend developers, creative teams, and product builders. Quickly preview any website across multiple viewport sizes directly inside the browser while also getting a lightweight overview of the website’s frontend stack. Features: • Instant responsive viewport preview • Desktop, tablet, and mobile presets • Custom viewport dimensions • Smooth floating preview interface • Real-time resizing • Minimal UI • Lightweight stack overview • Fast workflow for UI/UX testing • Lightweight and distraction-free experience Basic stack overview may include: • Framework detection • CMS indicators • Frontend technologies • Hosting and platform hints Built for: • UI/UX designers • Frontend developers • Creative agencies • SaaS teams • Webflow and Framer creators • Product designers ViewPort Studio helps streamline responsive testing and quick technology inspection with a clean visual workspace optimized for modern web workflows.
May 11, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.