Folder: About Images

Pixel Art

Definition
A kind of digital art that is created by drawing the pixels of an image one by one.
WebP

Modern image file format that supports both lossy and lossless compression and alpha transparency.
PNG

Common image file format with lossless compression and transparency support.
JPG Artifacts

Distortions in a digital image that appear when you open a JPG file and save it in the JPG format again and again.
JPG

Popular image format used mainly to save digital photos.
Background Color

The "default" color when there is nothing to display in an area.
Foreground Color

Color is used by the brush, pencil, line, and text tools when you draw or write on an image.
Maintain Aspect Ratio

What is "Maintain Aspect Ratio" and how it works in image-editing programs, with math formula examples.
Aspect Ratio

Ratio between the width and the height of a screen, image, or video.
How to Decide which Image File Format to Use

When to save as PNG, JPG, GIF, WebP, or BMP
Danger: Your Image Files may be Destroyed by Default

A warning about some image viewers and image editors that will overwrite your image flies by default without saying anything.
Icon

A small image used to indicate something in the computer screen.
bpp

Bits per pixel: unit of measurement for how many bits are necessary to encode the data of one pixel of an image, e.g. 1bpp, 8bpp, 24bpp, 32bpp.
Units of Measurement

Bits, bytes, pixels, hertz, kilo, mega, giga, tera, kebi, mebi, gibi, tebi, and others.
RGBA

A color format typically used for transparent images: RGB plus alpha.
RGB

Red, green, and blue, the three primary colors.
Graphics

Term used to refer to anything graphical related to the computer, including images, videos, 3D models, visualizations, etc.
Megapixel

An unit of measurement meaning 1 million pixels.
px

A px after a number stands for pixel. For example: 100px means 100 pixels.
Pixel

A single colored square (or rectangle) in a raster image.