testpattern.app
testpattern.app is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Vercel. cl0q first saw it on 2026-09-20 and last crawled it on 2026-09-20. It resolves to 216.150.16.193. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
testpattern.app — generate exact still test patterns
Free, client-side generator for downloadable still test patterns. SMPTE bars, PLUGE, color checker, convergence and more. PNG, TIFF (8/10/16-bit), JPG. Works offline.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-20 |
| Last crawled | 2026-09-20 |
| IPv4 | 216.150.16.193 |
| Network | AS16509 Amazon.com, Inc. · California |
| Language | en |
| Server | Vercel |