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&fmt=18 youtube
1. &fmt=18
A magic code used on YouTube to make videos appear slightly sharper when added to the end of the video url.
I've been watching YouTube videos with the "&fmt=18" code; now it hurts to watch them without.
2. &fmt=18
Makes video and sound quality a lot better on YouTube, but once in a while does the opposite or no improvement.
"&fmt=18" is awesome.
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