Expired80% confidenceFactExact time
Canvas fingerprinting identifies GPU and font rendering differences for device fingerprinting by having the browser render specific graphics and extracting pixel hash values.
6
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
7/3/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/1/2026(expired)
Sources
Related Claims
UnverifiedUsing just three signals—Canvas rendering results, WebGL renderer information, and the list of installed fonts—different devices can be distinguished with an accuracy rate exceeding 90%.73% similarUnverifiedCanvas can generate colorful, interactive codebase architecture diagrams that support zooming, node dragging, and filtering of specific parts70% similarVerifiedThe Canvas 2D context is CPU-based software rendering, suitable for simple 2D scenes; WebGL leverages GPU acceleration and is suited for high-performance rendering needs such as particle systems and lighting effects.70% similarUnverifiedBrowser-side 3D rendering of large numbers of objects uses Instanced Rendering technology, which merges multiple instances of the same geometry into a single draw call.70% similarUnverifiedThe Canvas API provides the getImageData() method, which can read the RGBA pixel values of a specified region.69% similar
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