What Is My Browser

Curious which browser and version you are currently using? The free What Is My Browser tool by Amaze SEO Tools instantly detects and displays your browser name, version number, user agent string, operating system, and language settings — providing a complete snapshot of your browsing environment without installing any software or extensions.
Results
Your Browser Mozilla
Browser Version

Amaze SEO Tools provides a free What Is My Browser detection tool that reads the technical details your browser sends with every web request and presents them in a clean, easy-to-read format.

Every time you visit a website, your browser transmits a string of identification data known as the user agent. This string tells the server which browser you are running, what version it is, which operating system powers your device, and what rendering engine processes web pages. Most people never see this information because it travels silently in the background of every HTTP request. Yet knowing your exact browser details matters more than you might expect — it affects which websites work correctly for you, which security patches apply to your installation, whether a web developer can reproduce your reported bug, and how technical support teams diagnose the issues you encounter.

Our tool surfaces all of this hidden data in one glance. Open the page, and your browser and version appear immediately. Click Show More Details for the full picture, including the raw user agent string, your operating system, and your configured language preferences.

Results Display

When you open the tool, a Results table with a green header instantly shows two key pieces of information detected from your browser:

Your Browser

The first row displays the name of the web browser you are currently using — such as Chrome, Firefox, Safari, Edge, Opera, Brave, or any other browser recognised from your user agent data. This tells you at a glance which browser application is active on your device.

Browser Version

The second row shows the specific version number of your browser — for example, 145.0.0.0 for a recent Chrome release. The version number is critical for determining whether you are running the latest build with current security patches, or an older version that may be missing important updates and feature improvements.

reCAPTCHA and Show More Details

reCAPTCHA (I'm not a robot)

Below the initial results, tick the "I'm not a robot" checkbox to pass the security verification before requesting additional details.

Show More Details (Dark Blue Button)

After completing the reCAPTCHA, click "Show More Details" to expand the results table with three additional rows of technical information about your browsing environment:

  • Your User Agent — The complete user agent string transmitted by your browser, such as Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36. This raw string contains compressed details about your browser, rendering engine, operating system architecture, and compatibility flags.
  • Operating System — The OS running on your device, such as Windows 10.0, macOS Sonoma, Linux, Android, or iOS. This tells you and anyone troubleshooting your setup exactly which platform the browser is operating on.
  • Languages — The language preferences configured in your browser, displayed as locale codes such as en-us (American English), en-gb (British English), fr-fr (French), de-de (German), or a comma-separated list if multiple languages are set. Websites use this information to serve content in your preferred language automatically.

How to Use What Is My Browser – Step by Step

  1. Open the What Is My Browser tool on the Amaze SEO Tools website.
  2. View the instant results — your browser name and version number appear automatically in the Results table.
  3. Tick the reCAPTCHA checkbox if you want to see additional details.
  4. Click "Show More Details" to reveal your full user agent string, operating system, and language settings.
  5. Copy any of the displayed information for use in bug reports, support tickets, compatibility checks, or documentation.

Understanding the User Agent String

The user agent string is the most information-dense piece of data the tool reveals. Although it looks cryptic at first glance, each segment serves a specific purpose:

  • Mozilla/5.0 — A historical compatibility token included by virtually all modern browsers. It dates back to the early browser wars and is retained so that servers do not mistakenly block modern browsers as incompatible.
  • Platform identifier — The section in parentheses, such as (Windows NT 10.0; Win64; x64), identifies your operating system, system architecture (32-bit or 64-bit), and sometimes the device type (mobile, tablet, or desktop).
  • Rendering engine — Tokens like AppleWebKit/537.36 or Gecko/20100101 indicate which layout engine the browser uses to render web pages. Chrome, Safari, Edge, and Opera all use WebKit or its Blink fork, while Firefox uses Gecko.
  • Browser identifier — The specific browser and version, such as Chrome/145.0.0.0 or Firefox/128.0. This is the core piece of information that distinguishes one browser from another.
  • Compatibility tokens — Additional markers like Safari/537.36 that appear even in non-Safari browsers exist for backward compatibility, ensuring websites designed for Safari also work correctly in Chrome and other WebKit-based browsers.

Why Knowing Your Browser Details Matters

Ensuring You Have the Latest Security Updates

Browser updates patch security vulnerabilities that hackers actively exploit. By checking your version number against the latest release published by your browser vendor, you can confirm whether your installation is current or needs updating. Running an outdated browser exposes you to known security flaws that have already been fixed in newer versions.

Troubleshooting Website Display Issues

When a website looks broken, loads incorrectly, or behaves unexpectedly, the browser and version you are using is the first variable to investigate. Certain rendering bugs, CSS compatibility gaps, and JavaScript behaviours are specific to particular browser versions. Knowing your exact setup helps you determine whether the issue is on your end or the website's.

Providing Accurate Bug Reports

Developers and QA teams cannot reproduce a problem if they do not know which browser and OS environment triggered it. When filing a bug report for a web application, including your exact browser name, version, user agent string, and operating system dramatically increases the likelihood that the issue will be identified and resolved quickly.

Verifying Compatibility Requirements

Some web applications, banking portals, government services, and enterprise platforms require specific browser versions to function properly. The tool lets you instantly verify whether your browser meets the stated requirements without digging through settings menus or about pages.

Checking Language and Localisation Settings

If websites are serving you content in the wrong language, your browser's language preference settings may be misconfigured. The Languages field in the expanded results shows exactly what your browser is requesting, helping you identify and correct any discrepancies between your preferred language and what is actually set.

Supporting Remote Users and Clients

IT support teams, web developers, and customer service agents frequently need to know what browser a remote user is running. Directing the person to this tool provides an instant, accurate answer — far more reliable than asking someone to describe their browser from memory or navigate unfamiliar settings menus.

Real-World Use Cases

1. Filing Technical Support Tickets

Before contacting customer support for a website or web application issue, open this tool and copy your browser name, version, and OS. Pasting this information into your support ticket gives the technical team everything they need to begin diagnosing the issue without a back-and-forth exchange to gather basic environment details.

2. Cross-Browser Testing for Web Developers

When testing a website across multiple browsers, developers use this tool to confirm exactly which browser and version is active in each testing window — especially useful when working with virtual machines, remote browsers, or browser testing services where the exact version may not be immediately obvious from the interface alone.

3. Verifying VPN and Privacy Tool Behaviour

Some privacy tools, browser extensions, and VPN configurations modify the user agent string to mask your true browser identity. After enabling such tools, checking the What Is My Browser output confirms whether the masking is working as intended or if your real browser details are still being transmitted.

4. Confirming Browser Updates Applied Successfully

After running a browser update, the tool provides a quick confirmation that the new version is active. This is particularly useful in managed enterprise environments where IT administrators need to verify that update deployments have taken effect across user machines.

5. Diagnosing Language and Regional Content Errors

If an international website keeps defaulting to the wrong language or regional version, the Languages field reveals what your browser is reporting as your preferred locale. This helps you determine whether the issue lies in your browser settings, the website's geo-detection logic, or your network configuration.

6. Documenting Test Environments for QA Reports

Quality assurance professionals document the precise browser, version, and OS for every test cycle. The tool provides a single-screen capture of all relevant environment details, streamlining the documentation process and ensuring consistency across test reports.

7. Educating Non-Technical Users About Their Setup

When helping family members, colleagues, or clients who are unfamiliar with technology, this tool gives them a plain-language answer to "what browser am I using?" — no need to locate obscure menu options or interpret technical settings pages.

Browser Detection and Privacy

The information displayed by this tool is the same data your browser shares with every website you visit — it is not private or hidden. Any web server can read your user agent string, and many websites use it to optimise their content for your specific browser and operating system. The tool simply makes this already-public information visible to you so you can see exactly what you are broadcasting as you browse the web.

If you are concerned about browser fingerprinting — the practice of using browser details to track users across websites — consider using privacy-focused browsers, enabling anti-fingerprinting settings, or using extensions that randomise your user agent string. You can then return to this tool to verify that your modified settings are taking effect.

Major Browsers and How to Update Them

If the tool reveals you are running an older version, here is how to update the most popular browsers:

  • Google Chrome — Click the three-dot menu → Help → About Google Chrome. The browser checks for updates automatically and prompts you to relaunch.
  • Mozilla Firefox — Click the hamburger menu → Help → About Firefox. Updates download automatically and apply after a restart.
  • Microsoft Edge — Click the three-dot menu → Help and feedback → About Microsoft Edge. Updates install automatically on this screen.
  • Apple Safari — Safari updates are bundled with macOS updates. Open System Settings → General → Software Update to check for the latest version.
  • Opera — Click the Opera menu → Update & Recovery. The browser checks for and installs available updates.

Keeping your browser up to date is one of the simplest and most effective things you can do to protect your online security and ensure web compatibility.

Frequently Asked Questions

Q: Do I need to enter anything to see my browser details?

A: No. The tool detects your browser and version automatically the moment the page loads. Your browser name and version appear instantly in the Results table without any input required.

Q: What does "Show More Details" reveal?

A: Clicking the button after completing the reCAPTCHA expands the results to include your complete user agent string, your operating system name and version, and your configured browser language preferences.

Q: Is the user agent string unique to me?

A: Not exactly. Millions of people share the same user agent string because they use the same browser version on the same operating system. However, when combined with other browser characteristics (screen resolution, installed fonts, plugins), it can contribute to a more unique browser fingerprint.

Q: Why does my user agent mention browsers I am not using?

A: Modern user agent strings contain compatibility tokens from multiple browsers for historical reasons. Chrome's user agent includes "Safari" and "Mozilla" references to ensure servers built for those browsers also serve content correctly to Chrome. These are not errors — they are deliberate compatibility markers.

Q: Can I change what the tool detects?

A: Yes. Browser extensions that modify the user agent string, built-in developer tools that override the user agent, and privacy-focused browsers that mask identification data will all alter what the tool detects. The tool always reports what your browser is actually transmitting, so any changes you make will be reflected immediately.

Q: How do I know if my browser version is outdated?

A: Compare the version number shown by the tool against the latest stable release listed on your browser's official website. If your version number is lower than the current release, your browser needs updating. Most browsers also display an update notification when a new version is available.

Q: Does this tool work on mobile browsers?

A: Yes. The tool detects mobile browsers — Chrome for Android, Safari on iOS, Samsung Internet, Firefox Mobile, and others — and displays the same information: browser name, version, user agent, operating system, and language settings.

Q: Is any of my information stored or shared?

A: No. The detection runs entirely within your browser session. Your browser details, user agent string, and other displayed information are not saved, logged, or transmitted to any third-party service.

Discover exactly which browser, version, and operating system you are running right now — use the free What Is My Browser tool by Amaze SEO Tools to check your setup, file accurate bug reports, verify updates, troubleshoot compatibility issues, and confirm your browser's identity at a glance!