Learn how to set a custom new tab background in Firefox with this easy step-by-step guide. Personalize your browser with ...

You can then hide the background layer if you need to. You can do this by pressing the Eye icon by the Background in the layers tab. Once done, export the image as a PNG to retain the background ...

You can change the lock screen of your Mac by changing the desktop's background ... image to use as your new lock screen. Make sure it's a .png file, and that it fits the resolution of your computer.

PNG, short for Portable Network Graphics, is a popular and high-quality graphic file format. The PNG format is both lossless and supports transparency, making it great for webpages. You can view ...