AI GPU test for WebGPU, WebGL and browser AI readiness

KeyboardTester.click

Open Source & Free AI GPU Test

Free AI GPU test for WebGPU, WebGL2, WebNN, hardware acceleration, and browser-based AI readiness. Run a safe matrix compute benchmark and graphics check with no download.

Start test Utility tools
Download from Microsoft Store Download from Microsoft Store

AI GPU Test

Check whether your browser can use the GPU for modern AI workloads. The tool detects WebGPU, WebGL2, WebNN, software-rendering fallbacks, adapter limits, and runs a safe matrix-multiply compute benchmark similar to the math used in local AI inference.

Readiness verdict

Browser AI GPU check

Run detection to see whether this browser can use GPU acceleration for local AI and heavy graphics workloads.

-- AI readiness score
--

WebGPU compute

Not checked yet.

--

WebGL graphics

Not checked yet.

--

WebNN / NPU API

Not checked yet.

--

Software fallback

Not checked yet.

Safe AI-style compute

Matrix compute benchmark

Runs matrix multiplication through WebGPU. Matrix multiplication is the core operation behind transformer and vision-model inference, so this is a practical browser AI readiness signal.

--GFLOPS estimate
--Compute time
--Matrix size
--Validation checksum

The benchmark is idle. Results are browser-relative, not a replacement for native 3DMark, FurMark, or MLPerf scores.

Adapter details

Detected browser GPU path

WebGPU adapter
Not checked
WebGL renderer
Not checked
WebGPU backend limits
Not checked
Useful features
Not checked

Graphics sanity check

WebGL visual test

FPS: --

AI GPU Test guide

How to use the AI GPU Test accurately

This online AI GPU test checks the browser path that matters for modern local AI: WebGPU for GPU compute, WebGL2 for graphics acceleration, WebNN for emerging neural-network acceleration, and software-rendering fallback detection.

01 What This AI GPU Test Checks This online AI GPU test checks the browser path that matters for modern local AI: WebGPU for GPU compute, WebGL2 for graphics acceleration, WebNN for emerging neural-network acceleration, and software-rendering fallback detection.
02 Why WebGPU Matters For AI Older browser GPU features were built mainly for graphics. WebGPU exposes modern GPU compute features through a safer web API, which makes it much more useful for matrix multiplication, tensor operations, image processing, and...
03 How To Read The AI Readiness Score A score above 80 means the browser exposes WebGPU, WebGL2, and enough compute performance for serious browser-side AI experiments.
04 AI GPU Test vs GPU Stress Test An AI GPU test checks compute readiness: WebGPU support, matrix throughput, browser GPU limits, and local-AI compatibility.
AI GPU test WebGPU test browser GPU test GPU benchmark online AI readiness test WebGL test
If you are choosing new hardware instead of testing the device you already own, compare current RTX 5090 and RTX 5080 laptop options in our best laptops with good GPU guide.

AI GPU Test FAQ

Common ai gpu test questions

What is an AI GPU test?

An AI GPU test checks whether your browser can use GPU acceleration for AI-style workloads. This page detects WebGPU, WebGL2, WebNN, software rendering fallback, and runs a safe matrix multiplication benchmark because matrix math is central to local AI inference.

Is WebGPU required for browser AI?

Not always, but WebGPU is the most important browser API for modern GPU compute. Without WebGPU, many local AI demos fall back to WebAssembly or WebGL and can be much slower.

What does WebNN support mean?

WebNN is an emerging browser API for neural network acceleration through CPU, GPU, or NPU backends. It is useful when available, but many production browser AI tools still use WebGPU or WebAssembly fallbacks.

Is the GFLOPS number comparable to native CUDA or 3DMark?

No. The number includes browser, WebGPU, and JavaScript overhead, so it is best for comparing repeated browser runs on the same machine. Native benchmarks remain better for full hardware ranking.

Why does the test say software rendering?

Software rendering means the browser is using a CPU renderer such as SwiftShader or llvmpipe instead of the actual GPU. Enable hardware acceleration and update GPU drivers before trusting performance results.

Windows app

KeyboardTester.click is available from Microsoft Store

Install the official Windows app shortcut, or keep using the same free testing tools in your browser.

Download from Microsoft Store Download from Microsoft Store