Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.
Device Viewport Sizes
Look up common device viewport dimensions.
FreeRuns in browserviewport sizesdevice dimensions
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About Device Viewport Sizes
Look up common device viewport dimensions for responsive design online for free. Find screen sizes for iPhone, iPad, Pixel, MacBook, desktop monitors, and more. Provides instant lookups against a curated, built-in reference database that requires no internet connection. Results are displayed in a clear, structured format for easy reading and copying. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.
Related tools: CSS Media Query Generator, Aspect Ratio Calculator, Social Media Image Sizer
How to Use Device Viewport Sizes
- Enter the value you want to look up.
- The tool searches its database and returns results.
- Review the detailed information displayed below.
Frequently Asked Questions
What is Device Viewport Sizes?
Look up common device viewport dimensions for responsive design online for free. Find screen sizes for iPhone, iPad, Pixel, MacBook, desktop monitors, and more.
Where does the lookup data come from?
The reference data is sourced from authoritative and well-maintained databases, standards organizations, and official registries. Data is embedded directly in the tool for instant offline-capable lookups.
How current is the reference data?
The lookup data is updated regularly as part of the tool's release cycle. For data that changes infrequently (such as country codes or HTTP status codes), the embedded dataset is comprehensive and reliable.
Can I search by partial matches?
Yes, the lookup supports partial and fuzzy matching so you do not need to enter the exact value. Start typing and the tool will filter results in real time, making it easy to find what you need.
Is Device Viewport Sizes free to use?
Yes, all lookups are completely free and unlimited. The reference data is built into the tool, so it works instantly without any account.
Is my data safe when using Device Viewport Sizes?
Yes, lookups are performed against locally stored data in your browser. No queries or input data are sent to any external server.