Device information

Device information. Get information about your current device (screen size, pixel-ratio, user agent, ...) Instantly gather comprehensive details about your client environment with our free online device information tool.

This essential web development utility extracts precise data regarding your current device, including exact screen resolution, viewport size, device pixel ratio, and complete user agent string.

Whether you are debugging responsive design layouts, verifying media query breakpoints, or diagnosing browser-specific rendering issues, our tool provides the exact metrics you need.

If you are analyzing browser compatibility or troubleshooting client requests, our User-Agent Parser and HTTP Headers Parser are perfect companion tools to deepen your diagnostic capabilities.

Simply open the tool and let it instantly query your browser's internal APIs. This premium browser information checker supports all modern devices from desktops to mobile phones, ensuring your front-end debugging is accurate and efficient.

Relying on complex scripts or third-party analytics to capture basic device specs can slow down your testing workflow, but our visual dashboard simplifies the process, making hardware detection accessible to everyone from QA testers to experienced web developers.

For developers who need to understand how different input methods interact with their site, our Keycode Info tool provides detailed keyboard event data.

We provide a 100% free, fast, and secure way to inspect your device's capabilities directly in your browser, ensuring no sensitive tracking data is transmitted to external servers.

How to use this online tool

Device information is designed for fast browser workflows when you need to format, validate, convert, decode, encode, generate, or inspect data without opening a heavy desktop app. Start with the input field or visible options, review the result, then copy or download the output for the next step.

Private processing in your browser

Device information keeps the normal processing step local in your browser. That is useful for code snippets, tokens, documents, configuration values, text samples, and other material that should not be sent to a remote service unless you explicitly choose to share it.

When this tool is useful

Use Device information for repeatable developer tasks, technical documentation, QA checks, quick conversions, debugging, content cleanup, and internal team workflows. The page focuses on clear inputs, immediate feedback, and output that is easy to reuse in code, reports, tickets, emails, or notes.

Practical tips

Before copying the final result, check important details such as spacing, casing, filenames, encoding, token structure, line breaks, or output format. Small checks prevent mistakes when the result is reused in source code, API requests, documentation, spreadsheets, or shared files.