4 items
View any webpage in different device dimensions with custom sizing Responsive Viewer helps developers and designers test webpage responsiveness across multiple device sizes. Key Features: • Pre-configured device presets (Desktop, Laptop, Tablet, Mobile, etc.) • Custom dimension input • Quick rotation button • Zoom controls • Dark/Light theme • Keyboard shortcuts • Pixel grid overlay • Measurement tools • Smooth animations and transitions Perfect for: • Web Developers • UI/UX Designers • QA Engineers • Anyone testing responsive designs
Nov 15, 2025
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.