Uploading your video in the right dimension and resolution ensures that your video looks its best when watched. For instance, increasing the dimensions spreads the pixels farther apart, reducing the quality of video playback. Changing the size of your dimensions can also alter how the resolution displays. For example, a low-quality image at 240 pixels (resolution) is usually 426 by 240 pixels (dimension). The dimension of a video refers to how many pixels comprise an image length- and width-wise. The smaller the pixels, the more you can fit together to create a more detailed image. A higher resolution image has more pixel density, resulting in clearer, sharper video quality. The larger the pixels, the fewer you can fit on screen, resulting in blocky, low-quality, or low-resolution, images. Pixels are the tiny blocks behind your screen that make up all the digital images you see, and the resolution refers to the size of these pixels. What are the best video dimensions and resolutions for YouTube?

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