View any webpage in different device dimensions with custom sizing
Responsive Viewer Extension
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
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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
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "Responsive Viewer", "description": "View any webpage in different device dimensions with custom sizing", "version": "1.0", "permissions": [ "activeTab", "tabs" ], "host_permissions": [ "" ], "icons": { "16": "ima/icon.png", "48": "ima/icon.png", "128": "ima/icon.png" }, "content_security_policy": { "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; frame-src *" }, "action": { "default_icon": "ima/icon.png" }, "background": { "service_worker": "background.js" }, "web_accessible_resources": [{ "resources": ["viewer.html", "viewer.js", "viewer.css"], "matches": [""] }]} "
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