WebGL Detector — GPU & Feature Check
Generate a JavaScript snippet to detect WebGL 1 & 2 support, GPU vendor, renderer, and capabilities.
How it works
- 1Configure your options above
- 2Click "Generate" — processing happens in your browser
- 3Copy or download the result
What to do next
About WebGL Detector
WebGL Detector performs webgl detector as a focused single-page utility. Generate a JavaScript snippet to detect WebGL 1 & 2 support, GPU vendor, renderer, and capabilities. Defaults are tuned for the common case so the first run is one click, with every option that matters exposed for the moments you need to fine-tune the result.
Architecturally, WebGL Detector is a single-page client. The processing layer is standard browser APIs; the UI is a thin React shell on top. Inputs flow through the engine and the output is returned to the browser as a Blob you can save or copy. The 0 MB cap is the only hard limit and it exists to keep memory usage stable on every device.
WebGL Detector is a static page plus a client-side engine. The browser does the work; there is no separate backend in the loop for the actual processing. That architecture is why the tool starts immediately, why it does not depend on the load on a remote service, and why running multiple jobs in a row does not slow it down.
If you fit any of these descriptions, WebGL Detector should slot cleanly into your workflow: analysts pulling lightweight reports; researchers gathering quick references; creators experimenting with formats. The tool keeps the controls focused on what matters for each of these use cases.
WebGL Detector works well as a bookmarked utility you reach for when you need it. The first visit shows you what the tool does; the second is when you realise it is a low-friction option for the task and worth keeping in your tab list.
The hard constraints are easy to remember. Maximum input: 0 MB. Multiple files per run: no — one input at a time, by design, to keep results predictable. The same controls apply on every run.
As a workflow component, WebGL Detector is the part you reach for when a single, well-defined web and productivity utility step needs to happen. It performs that step and returns a standard file you can carry into the next part of your pipeline.
WebGL Detector is built around steady iteration on a small set of options rather than feature creep. Every additional setting attracts a slightly different audience, but a long settings panel makes the common case slower for everyone. The current controls reflect what users of the tool actually use.
WebGL Detector returns the result as a download. If you are running multiple jobs, the output names will not collide as long as the input names differ. You can re-run with different settings as many times as you like; each run produces a fresh file with no caching trickery in between.
Some context on why WebGL Detector exists in this form: modern File APIs, high-performance JavaScript engines, and well-maintained open-source libraries now make it possible to perform web and productivity utility work entirely in the browser. WebGL Detector is built on top of that capability, which is why a single page can host the full pipeline.
If you also use a command-line tool for webgl detector, WebGL Detector is a convenient alternative for the times you are on a different machine or helping someone who is not comfortable in a terminal. The output is a standard file in the format documented above.
Pro tip: WebGL Detector works just as well in a private/incognito window as in a normal one, which is occasionally useful when you want zero browser-history footprint of the job. Another tip: if the tool ever feels slow, it is almost always because the browser tab is competing for CPU with another tab — pausing or closing the heavy ones gives the engine room to work.
When something goes wrong, the cause is usually one of three things: a malformed input, a browser that is out of memory, or a corporate proxy that is interfering with the page's static assets. The first two are easy to diagnose; the third typically requires asking your IT team to allow standard browser APIs to load.
WebGL Detector is intentionally narrow in scope so the common case is fast and the result is predictable. If you ever need a variation it does not cover, browse the rest of the catalog — there is a good chance an adjacent tool already exists, and switching between tools is just a matter of opening another tab.
How it works
- 1Reach the WebGL Detector page in your browser to begin.
- 2Select the web utility file you want to process — drag-and-drop and the file picker both work.
- 3Pick any non-default settings you need. Most users leave the defaults alone for the first run and only revisit if the result needs tuning.
- 4Click to start the job. The engine (standard browser APIs) processes the input in the page; you can watch the progress indicator until it completes.
- 5Save the output when it is ready.
- 6Run additional jobs as needed. The same controls and defaults apply on every run.
Common use cases
- Create a placeholder image for a wireframe using WebGL Detector.
- Audit a marketing page before launch.
- Plan content without paying for a SaaS dashboard.
- Validate a setting before circulating it to a team.
- Preview how a result looks before deploying it.
- Run a fast accessibility check before publishing.
- Generate a campaign asset in seconds for a quick test.
- Sanity-check a webhook response while debugging.
- Generate a temporary asset for a social post.
FAQ
What is WebGL?
WebGL is a JavaScript API for rendering 2D and 3D graphics in the browser using the GPU.
WebGL 1 vs 2?
WebGL 2 is based on OpenGL ES 3.0 with more features. WebGL 1 is based on OpenGL ES 2.0 and more widely supported.
What GPU info is exposed?
Vendor and renderer strings from the WEBGL_debug_renderer_info extension.
Can WebGL be disabled?
Yes — browsers allow disabling WebGL in settings, and some privacy extensions block it.
Max texture size?
Typically 4096 to 16384 pixels depending on the GPU. The snippet reports the actual limit.
Privacy concern?
WebGL info can be used for fingerprinting. The snippet runs locally and does not transmit data.
Can I use WebGL Detector on documents that contain personal data?
Your file is processed inside your browser by standard browser APIs. The engine reads the file's bytes from your tab's memory, computes the result, and writes the result back into the tab. You can confirm what the page does by opening developer tools and watching the Network tab during a run — the requests you see are for the tool's static assets only.
Does WebGL Detector need an internet connection to run?
Once the page is loaded, WebGL Detector can complete jobs without an active internet connection — the engine is bundled with the page, so there is no per-job network call. The initial page load does require a connection (to fetch the static assets), but after that you can disconnect entirely and the tool will still work. This is a side-effect of the local-first architecture, not a deliberate "offline mode" feature.
What does the error message in WebGL Detector mean?
Failures usually fall into one of three buckets: the input is in an unsupported format, the input is over the size cap, or the input is structurally malformed (a truncated download, a partial export, or a stream the engine does not recognise). The first two are easy to confirm — check that your file is in a supported format and that it is below 0 MB. For the third, opening the file in its native viewer first is the fastest way to confirm the source is intact.
Does WebGL Detector have an API?
WebGL Detector is a browser-only tool by design and does not expose a hosted API. The reason is the same as the privacy story: there is no Favtoo backend doing the work, so there is no service to call. If you need to script the same transformation, the underlying engine (standard browser APIs) is open-source and can be used directly from your own code.
Is WebGL Detector licensed for business use?
WebGL Detector can be used for personal and commercial work alike — there is no separate "business" licence to purchase. The output you generate is yours to use however you want, including in client deliverables, internal documents, or commercial products. Favtoo's only ask is fair, individual use; the tool is not designed to be embedded as a backend service or wrapped behind an API for resale.
How accurate is WebGL Detector?
WebGL Detector is built on standard browser APIs, which is the same class of engine used by professional web and productivity utility pipelines. For deterministic operations, the output is byte-identical to what an equivalent CLI run would produce; for operations involving a codec or a model, the result is well within the range of what comparable tools generate. If you have a specific reference output you need to match, run a small test job first to confirm the configuration produces what you expect.
Does WebGL Detector reduce quality of the result?
WebGL Detector is built to preserve quality wherever the underlying web utility format allows it. Operations that are mathematically lossless (e.g. structural transformations, lossless re-encoding) round-trip with no perceptible change. Operations that involve a lossy codec inevitably introduce small artefacts at the byte level, but the defaults aim at the sweet spot where output looks or sounds the same to a normal viewer or listener while still being meaningfully smaller or faster than the input.