Design
Color Picker from ImageOpen a photo or screenshot, click any pixel to read its HEX, RGB and HSL value, and get a palette of the six dominant colors. The image never leaves your browser.Dead Pixel TestFill your whole screen with solid black, white, red, green, blue and gray to spot dead, stuck and hot pixels on a monitor, laptop, phone or TV. Click or use arrow keys to change colors.Mic TestTest your microphone in the browser with a live level meter, then record a short clip and play it back. Audio stays on your device and is never uploaded.Webcam TestTest your webcam in the browser. See a live preview, the actual resolution, the frame rate and the camera name. The video stays on your device and is never uploaded.What Is My Screen Resolution?See your screen resolution, browser viewport size, device pixel ratio, color depth and aspect ratio instantly. Values update when you resize or zoom, and you can copy them in one click.
Free design tools: Color Picker from Image, Dead Pixel Test, Mic Test, Webcam Test, What Is My Screen Resolution?. Each one runs in your browser, shows the result as you type, and sends nothing to a server.