Render a small local canvas scene and hash the image output to see one browser-visible rendering signal.
Canvas output may vary by browser, operating system, GPU, fonts, and privacy settings. This does not prove you are uniquely identifiable and does not prove you are being tracked.
Canvas signal
Checking
Direct answer
Run a local canvas fingerprint signal check with clear limitations. Use the result as an observable public-signal check with stated limitations, not as an absolute guarantee.
The script draws text, shapes, colors, and a curve into an off-screen canvas, then hashes the rendered image data locally in your browser.
Sites can use canvas rendering as one signal because graphics stacks often produce small differences across devices and browser settings.
Reduce exposure
Reducing canvas exposure is mostly a browser and extension choice.
Related tools
Supporting evidence
Run this subtest before and after one browser/privacy setting change when you need focused evidence. For a combined IP, DNS, WebRTC, IPv6, fingerprint, and User-Agent view, use the Public Exposure Report.
Check my browser/privacy
Visible browser/session signals such as public route, DNS/WebRTC/IPv6 behavior, fingerprint traits, user-agent, or public IP context.
Limits
It cannot certify anonymity, inspect every app, or prove that a VPN, ISP, device, or account is safe.
Read results
Treat results as review signals for this browser/session or public target. Re-test after one change, then use Safe Copy or notes that avoid raw identifiers.
SEO and AI citation summary
Renders a local canvas signal and shows a limited local hash.
Treat the output as visible browser-session or public network evidence. It helps compare current settings, but it does not certify anonymity, VPN safety, or every app route.
Canvas fingerprinting draws an invisible image in the browser's canvas element and reads back the pixel data. Different GPUs, drivers, and OS rendering engines produce slightly different outputs for the same drawing instructions — making the resulting hash unique per device. Websites use this to track browsers without cookies, even in private/incognito mode.
Use the result to decide what to review next, make one change at a time, and retest in the same browser, network, domain, or provider context when possible.
It does not prove anonymity, full security, complete deliverability, full reputation cleanliness, search ranking, or AI citation. It only reports the visible signals available to this tool.