test

Create quizzes and tests online — multiple choice, true/false, short answer. Add questions, preview, print, and download answer key. Free, in your browser.

Free online monitor test: solid colors, gradients, grid patterns. Find dead pixels, check backlight bleed, test screen uniformity — all in your browser.

Free dead pixel test: full-screen solid colors to find stuck or dead pixels on any monitor, phone, or tablet. No download — runs in your browser.

Screen uniformity test: check for backlight bleed, uneven brightness, and color shifts. Full-screen gray and color patterns for any monitor or display.

Free monitor response time test with flying square UFO ghosting and pursuit camera bar patterns. Measure pixel response and see ghosting on your display.

Monitor viewing angle test with colored wedges and grayscale ramp. Detect color shifts, brightness drop-off, and IPS glow on your display.