Transparent Note is a simple note-taking app, save for one crucial difference: Your notes can be transparent, allowing you to see what’s behind the note itself on your Mac or PC.

When you try to save such an image, the background area of the image will no longer be transparent and turns into solid color; in most cases, white i.e. Color 2.

A PNG file is a Portable Network Graphics file. The format uses lossless compression and is generally considered the replacement for the GIF image format. PNG files store graphics on websites. Some ...