Guides

Fullwhite Blog

How-to guides for the four core tools — meeting lighting, pure white PNG export, dead pixel checks, and fullscreen color screens.

• How to Use Zoom Lighting for Video Calls Without a Ring Light

  Use a laptop as soft zoom lighting: match color temperature, set brightness, go fullscreen, and improve webcam face light without buying a ring light today.

  zoom lightingvideo call lightingmeeting lightRead →

• How to Download a Pure White PNG Background from 1080p to 4K

  Generate a pure white PNG in the browser at 1080p, 1440p, or 4K. Local canvas export, no Photoshop or account—ready for slides, mockups, and clean templates.

  pure white PNGwhite image downloadwhite backgroundRead →

• How to Run a Dead Pixel Test on Your Monitor in a Browser

  Run a dead pixel test with white, black, red, green, and blue fullscreen fields. Learn dead vs stuck pixels, scan tips, and browser keyboard shortcuts now.

  dead pixel testcheck dead pixelsstuck pixelRead →

• How to Use a Fullscreen White Screen Online (Plus Color Screens)

  Open a fullscreen white screen for lighting, cleaning, and focus. Learn shortcuts, multi-color screens, and when to switch to Zoom Lighting or PNG export now.

  white screen onlinefullscreen white screenblack screenRead →