this post was submitted on 28 Apr 2024
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General Discussion

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[–] Max_P@lemmy.max-p.me 6 points 6 months ago (2 children)

There's not much to improve on PNG. It's essentially a zipped up BMP with optional filters to rearrange pixels in a way that will hopefully lead to better compression at the zip stage.

Last time I tested this, if you used xz or zstd to compress a BMP with max settings, it made smaller files than PNG.

WebP and JXL is where it's at.

[–] postmateDumbass@lemmy.world 2 points 6 months ago* (last edited 6 months ago)

Experts warn the obesity epidemic may require adoption of JpegXXL standard, at least for American selfies.

[–] pewgar_seemsimandroid@lemmy.blahaj.zone 1 points 6 months ago (1 children)

ny PNG elitist brain interprets this as PNG being so good than JpeG had to be upgraded and a new format (WebP)

[–] Max_P@lemmy.max-p.me 5 points 6 months ago (1 children)

WebP solves use cases for both PNG and JPEG as the same format can be lossless or lossy, while getting the benefits of a much more powerful codec.

PNG is good for certain types of graphics. Take a full size 48MP picture and encode it in PNG and it's going to be massive compared to JPEG.

PNG is a pretty simple and effective format but it's not especially good nowadays, there's a reason WebP is popular. Much smaller files for the same quality. Same for JPEG XL.

Webp = google = convert to PNG