Browser Tools
Browse 5 free online browser tools. All tools run instantly in your browser - no download or sign-up required.
See your browser's user agent string and what it reveals about your browser, operating system, and device. Understand how websites identify your browser.
Instantly see your screen resolution, browser viewport size, device pixel ratio, and color depth. Useful for responsive design testing and display troublesho...
Find your device's MAC address with our step-by-step guides for every operating system. Understand what MAC addresses are and why they're important.
See what information websites can collect about your browser. Analyze canvas fingerprints, WebGL data, installed fonts, and calculate your fingerprint unique...
View your browser's WebGL renderer, vendor, extensions, and hardware capabilities. Identify GPU fingerprint data exposed via WebGL to websites you visit.
How this tool works: This tool runs in your browser and on our server in real time. Depending on the tool, results are computed directly from the input you provide or retrieved from live, authoritative data sources at the moment you run a lookup. We do not sell your data, and your lookups are kept private — any history shown here is stored only on your device.