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It really is the worst image format (thelemmy.club)
submitted 2 months ago by to c/memes@lemmy.world
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[–] 5 points 2 months ago (2 children)

It's not an improvement over PNG.

but it has an optional lossless mode that no one uses

No one uses it and even if they did, you'd never know since there isn't a .webl or .webpl to differentiate lossless.

You know a PNG in lossless, you know a jpg is lossy. webp should just be assumed lossy 100% of the time.

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  • [–] 6 points 1 month ago (1 child)

    Kind of a tangent, but while the png format uses lossless compression, you do not know that the .png you have in front of you is lossless from the filename; image softwares can and do support preprocessing an image with lossy algorithms to improve the file size.

    This is sort of unlike flac for audio -- it is technically also possible, but hardly anyone would do it, since the only reason to use flac is for lossless compression.

    I get the impression that .png is used alongside .jpg as a general image format, although i don't really know.

    You also don't know if your .png file has an alpha channel or not -- might have been made without one.

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