47 lines
1.8 KiB
Markdown
47 lines
1.8 KiB
Markdown
This is for in the future when I want to compress more images or anyone else for that matter.
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# Lossless
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### https://squoosh.app/
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good at reducing the pallet, a first step for images that have a limited number of colors, bad at actually compressing things though, for all formats except webp.
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## PNGs:
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good ratios, though not as good as other options, though better compatibility
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### oxipng
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Seems to be the best of all of the options, not sure if it's all you would need, but it did shrink pngs further than the other two tools afterwards.
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```bash
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oxipng -o max --strip all --alpha <filename here>
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```
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`all` may be replaced with `safe` if you want to be a bit safer
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### pngcrush
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Good, but should be ran before optipng, but isn't as good as it, use in tandom
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### optipng
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The second best tool to really shrink pngs to be as small as they can be.
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## WEBP
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it's better than png, though I have a feeling more could be done to compress these
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### cwebp
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so far this seems to be the best way to compress webp images with a command that kinda looks like this one
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```bash
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cwebp -lossless -z 9 in.webp -o out.webp
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```
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while for all other formats squoosh is not recommended, for webp it'll be identical due to cwebp using the same libary as squoosh.
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## AVIF
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As far as I can tell, this format just sucks at its job, at least for lossless images
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## JPEGXL
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Really good at compression size, though it's not supported anywhere outside of safari as of now.
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### cjxl
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this command should do the trick for compressing
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```bash
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cjxl input.png output.jxl -q 100 -e 10
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```
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# Vector
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## SVGs:
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### https://svgomg.net/
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great tool, if anyone knows how to squish them further, let me know, some manual work may go a long way to help shrink svgs, though I'm not doing that right now lol.
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I may look into other formats soon as well, though these are the main two I'm currently using
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