What Is My Browser
Reading User-Agent and headers...
Operating environment
Capabilities & security flags
Display metrics
Note
Browser information is retrieved directly on your client device using standard browser APIs. None of your device data or browsing history is collected or sent to remote servers.
What Is My Browser & Version? Instant Online Detection
When contacting technical support or troubleshooting website rendering errors, knowing your exact browser name and version number accelerates debugging. This browser detection tool inspects client environment headers in real time, identifying Chrome, Safari, Firefox, Edge, Opera, or Brave alongside the underlying operating system and architecture.
Traditionally, web servers identify software environments via the User-Agent header governed by the IETF RFC 9110 HTTP Semantics specification, which communicates client software details to remote hosts. To inspect arbitrary UA strings from server access logs or crawler requests, use our User Agent Parser. Modern browsers also deploy structured User-Agent Client Hints to negotiate architecture, device model, and platform data cleanly without passive digital fingerprinting.
Beyond basic version numbers, this diagnostic tool runs interactive client checks on your device to confirm whether essential web capabilities are functional. It checks if first-party cookies are enabled for login sessions, verifies that JavaScript execution is active, audits WebGL and WebGL2 hardware graphics acceleration, tests WebRTC communication protocols, and compares your physical screen resolution against your active browser viewport dimensions.
All detection happens completely client-side in your web browser. No hardware details, user agent strings, or browsing history are sent across the network or stored on remote servers. Use the built-in diagnostic report copy button to instantly paste your complete system summary into IT helpdesk tickets, bug trackers, or customer support chats.
Core Browser & Device Diagnostics Reference
Understand the critical environmental metrics, rendering engines, and security attributes checked during browser inspection.
| Diagnostic Metric | What It Detects | Why It Matters for Web Browsing & IT Support |
|---|---|---|
| Browser Name & Exact Version | Identifies Google Chrome, Safari, Firefox, Edge, Opera, or Brave alongside build numbers. | Verifies if your software has received recent security patches and supports modern HTML5 and CSS features. |
| Rendering Engine | Detects Blink (Chrome/Edge), WebKit (Safari), or Gecko (Firefox). | Determines how web pages compile styling, scripts, and visual layout geometry. |
| Operating System & Architecture | Detects Windows, macOS, iOS, Android, Linux, or ChromeOS with 32-bit or 64-bit architecture. | Helps IT helpdesks isolate platform-specific operating system bugs, driver crashes, and audio/video issues. |
| Cookies & Web Storage | Checks whether first-party cookies, LocalStorage, and SessionStorage are enabled or blocked. | Ensures account logins, banking portals, and shopping carts can persist active authentication tokens. |
| JavaScript Scripting Engine | Validates active client-side JavaScript execution. | Required for interactive forms, online dashboards, media players, and single-page applications to function. |
| Viewport vs. Screen Resolution | Compares current window dimensions in CSS pixels against total physical display monitor hardware. | Assists designers and developers with responsive layouts, browser zoom calibration, and media query tests. |
| WebGL & Graphics Hardware | Checks WebGL 1/2 support and identifies GPU hardware rendering acceleration. | Essential for 3D web applications, interactive Google Maps, CAD viewers, streaming video, and browser gaming. |
When and Why to Check Your Browser Environment
Accurate browser diagnostics resolve everyday technical hurdles, protect your privacy, and speed up IT support resolution.
Fix Broken Websites and Login Errors
Most website loading failures happen because of outdated browser builds, strict cookie blockers, or disabled scripts. Instant detection identifies whether an obsolete version or disabled setting is stopping a web page from loading.
Speed Up IT Support and Helpdesk Tickets
Skip lengthy support calls trying to find your version in complex menus. Use the one-click copy button to generate a clean, formatted diagnostic report of your browser, operating system, and screen specs ready for IT tickets.
Verify Security Updates and Zero-Day Patches
Running an unpatched browser leaves your computer exposed to malware and browser exploits. Checking your build number helps verify that automatic updates finished successfully and your system is protected.
Audit Cookie and Storage Permissions
Banking portals, streaming platforms, and online checkouts require active first-party cookies and web storage. Confirm that aggressive privacy add-ons haven't accidentally disabled essential session cookies.
Test Responsive Design and CSS Viewports
Web developers and QA engineers can resize the browser window to see live viewport width and height updates, device pixel ratio changes, and display orientation in real time without opening developer tools.
Check WebGL and Hardware Acceleration
Confirm that your graphics card and browser engine properly support hardware acceleration, WebGL2, and WebRTC streaming for video meetings, 3D modeling, and canvas-based animations.