Device Information

What is a Device Information?

Detect and display real-time technical specifications about your current device: screen resolution, viewport width/height, device pixel ratio (DPR), color depth, orientation, User Agent, operating system, and browser capabilities.

Why Use This Tool?

Responsive Web Design: Inspect exact viewport dimensions (px) while testing media queries and layout breakpoints.
High-DPI / Retina Testing: Check device pixel ratio (DPR 1x, 2x, 3x) for crisp image asset delivery.
Support & Bug Reporting: Quickly copy your exact device, OS, and browser specs to send to tech support.

How to Use

Open the tool to view your device specs automatically.
Resize your browser window to watch live viewport dimension updates.
Click Copy Device Info to copy all specs to your clipboard.

Real Working Example

Input:

[Current Device Specs Detected]

Output Result:

Viewport: 1920 x 1080 px | Screen: 1920 x 1080 px | DPR: 2x (Retina) | Touch: Supported | OS: Windows | Browser: Chrome 124

Important Technical Details & Features

Live Window Resize Listener: Viewport width and height update dynamically as you resize your browser.
HTML5 Screen & Navigator APIs: Queries native window.screen, window.devicePixelRatio, and navigator objects.
100% Private Client-Side Detection: No device data is transmitted externally.

Related Web & SEO Tools

User Agent Parser: Parse User Agent strings.
Keycode Info: Inspect keyboard key events.
Responsive Screen Tester: Test layouts across device screens.

Frequently Asked Questions

What is Device Pixel Ratio (DPR)?

DPR indicates physical screen pixels per logical CSS pixel (e.g. 2x for Retina displays).

Why is viewport size different from screen size?

Screen size is physical monitor resolution; viewport size is the active browser window dimensions.

Is my device info tracked or saved?

No, detection runs 100% locally in your browser memory.

Is it free?

Yes, 100% free.

What is the main function of Device Information?

View real-time device details: screen resolution, viewport size, pixel density (DPR), User Agent, OS, and browser capabilities. This tool processes device information data 100% locally inside your web browser.