Skip to content
JJawda DesignsFree online tools
HomeAll ToolsQuizzesFree Directory 545+Blog
Language:

Browser Information – See Everything About Your Browser & Device

Browser

Name —
User Agent —
Language —
Cookies Enabled —
Online —

System

Platform —
Cores —
Memory —
Touch Support —
Viewport —

Share this tool

Browser Information – See Everything About Your Browser & Device
it detects and displays complete browser information directly in your browser with zero tracking, no login, and no software to install. Useful for developers, web testers, support agents, and everyday users who want to know what browser and system they're running.

What Is Browser Information?

Explain what "browser information" means — the collection of technical details a browser exposes about itself and the device it runs on. Covers the difference between client-side (JavaScript-detected) and server-side data, and why this information matters for compatibility, debugging, and support.

What Does This Browser Information Tool Show?

A breakdown of every data point the tool reveals, organized into two sections mirroring the tool's UI: H3: Browser Details
  • Browser Name — The name of the browser (Chrome, Firefox, Safari, Edge, etc.)
  • User Agent String — The full raw UA string sent to every server; useful for debugging and spoofing detection
  • Language — The browser's configured language (e.g., en-US, ar, fr-FR)
  • Cookies Enabled — Whether the browser allows cookies — critical for troubleshooting login/session issues
  • Online Status — Whether the browser currently has an active internet connection
H3: System Details
  • Platform — The underlying OS platform as reported by the browser (Win32, MacIntel, Linux, etc.)
  • CPU Cores — The number of logical processor cores available (navigator.hardwareConcurrency)
  • Device Memory — Approximate RAM in GB (navigator.deviceMemory) — only reported in Chromium-based browsers
  • Touch Support — Whether the device supports touchscreen input
  • Viewport Size — The current browser window's inner width × height in pixels, updated live on resize

Why Would You Need to Check Your Browser Information?

Cover real-world use cases:
  • Web developers & QA testers — Verifying how a site renders at specific viewport sizes or on specific platforms
  • Customer support agents — Quickly gathering a client's browser name, version, and OS for troubleshooting tickets
  • IT administrators — Confirming browser settings like cookie support and online status across endpoints
  • Web designers — Checking viewport dimensions to understand how a design is being displayed
  • General users — Finding out what browser they're using when asked by support teams

How to Use the Browser Information Tool

Step-by-step, concise:
  1. Open the tool page — your browser information loads automatically, no input needed.
  2. Review the Browser section for name, user agent, language, cookies, and connection status.
  3. Review the System section for platform, cores, memory, touch support, and viewport.
  4. Copy or note down any value you need for support or debugging purposes.

Understanding the User Agent String

A dedicated section explaining what a user agent is, why it exists, how servers use it, and common formats (e.g., Chrome on Windows vs. Safari on iOS). Mention UA spoofing and client hints as modern context. This section targets secondary long-tail queries like "what is my user agent" and "how to read user agent string".

What Does "Platform" Mean in Browser Information?

Clarify that navigator.platform reports the OS/architecture string as the browser sees it — not necessarily the actual OS. Explain common values: Win32, MacIntel, Linux x86_64, iPhone, Android. Note its deprecation trend in favor of User-Agent Client Hints.

Why Is Device Memory Sometimes Unknown?

Explain that navigator.deviceMemory is only available in Chromium-based browsers (Chrome, Edge, Opera) and is intentionally rounded to the nearest power of 2 (0.25, 0.5, 1, 2, 4, 8 GB) to prevent fingerprinting. Firefox and Safari do not expose this value.

Browser Information vs. System Information — What's the Difference?

Clarify the distinction: browser information is what your browser reports about itself and its environment, while full system information (total RAM, GPU, CPU model) requires native OS access. Web-based tools are limited to what JavaScript APIs and HTTP headers expose, which is intentional for privacy.

Is This Browser Information Tool Safe to Use?

Address the privacy angle. Explain that:
  • The tool runs entirely client-side using JavaScript
  • No data is stored, logged, or sent to a server
  • It only reads information the browser already exposes to every website you visit

Browser Information for Developers and Testers

Expand on technical use cases:
  • Responsive design testing using live viewport data
  • User agent string extraction for $_SERVER['HTTP_USER_AGENT'] comparisons
  • Testing cookie behavior before deploying authentication systems
  • Checking navigator.hardwareConcurrency for Web Workers thread planning
  • Touch support detection for building adaptive UIs

Frequently Asked Questions

What is browser information?
Browser information refers to the technical data your web browser exposes about itself and the device it runs on — including browser name, version, user agent string, language, platform, screen size, and hardware capabilities. This data is accessible to every website you visit through standard browser APIs.
How do I check my browser information?
Simply open a browser information tool like this one. Your details load automatically — no input, no login, and no installation required. The tool reads data from your browser's built-in JavaScript APIs and displays it instantly.
What is a user agent string in browser information?
A user agent (UA) string is a line of text your browser sends to every web server you connect to. It identifies your browser name, version, rendering engine, and operating system. For example, a Chrome user on Windows might have a UA string containing Chrome/124, Win64, and AppleWebKit.
Why does my browser information show "Unknown" for device memory?
Device memory is only reported by Chromium-based browsers (Chrome, Edge, Brave, Opera). Firefox and Safari intentionally withhold this value to reduce the risk of browser fingerprinting. If you see "Unknown," your browser simply doesn't expose this API.
Is it safe to share my browser information?
Generally yes, for support or debugging purposes. However, your user agent string does reveal your browser version and OS, which can help identify outdated software. Avoid sharing it publicly, and use it only with trusted support teams or developers who need it for troubleshooting.
What does "platform" mean in my browser information?
The platform field shows the operating system string as reported by your browser — for example, Win32 for Windows, MacIntel for Mac, or Linux x86_64 for Linux. Note that this value reflects what the browser reports, not always the actual underlying system, and may differ from your real OS architecture.
Why does the viewport size in my browser information keep changing?
Viewport size is the inner width and height of your browser window in pixels, and it updates in real time when you resize your browser. It's different from your screen resolution — viewport depends on the current window size, not your display's full dimensions.
Can websites see my browser information without me doing anything?
Yes. Every website you visit has access to your browser information through standard web APIs and HTTP headers — including your user agent, language, platform, and more. This is a normal part of how the web works and is used for things like serving the right language or detecting device type.
What is the difference between browser information and browser fingerprinting?
Browser information is simply reading the data your browser exposes. Browser fingerprinting combines many of these data points — user agent, fonts, canvas rendering, plugins, and more — to create a unique identifier for your device without using cookies. This tool only reads basic browser info and does not perform fingerprinting.
How is browser information useful for web developers?
Developers use browser information to debug layout issues (via viewport size), test cross-browser compatibility (via user agent), build adaptive UIs (via touch support and cores), optimize performance (via memory and CPU cores), and troubleshoot client-side errors. It's one of the first things collected during a bug report.

Related Tools