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Reduce PNG file size by about 20% using zopflipng 1.0.3 (losslessly) #2

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merged 1 commit into from
Nov 19, 2023

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hartwork
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@hartwork hartwork commented Nov 3, 2023

# for i in *.png ; do zopflipng -y $i $i ; done
Optimizing oela-icon-lg-padding.png
Input size: 89708 (87K)
Result size: 68101 (66K). Percentage of original: 75.914%
Result is smaller

Optimizing oela-icon-lg.png
Input size: 213023 (208K)
Result size: 169235 (165K). Percentage of original: 79.444%
Result is smaller

Optimizing oela-icon.png
Input size: 18674 (18K)
Result size: 15273 (14K). Percentage of original: 81.788%
Result is smaller

https://github.com/google/zopfli

> # for i in *.png ; do zopflipng -y $i $i ; done
> Optimizing oela-icon-lg-padding.png
> Input size: 89708 (87K)
> Result size: 68101 (66K). Percentage of original: 75.914%
> Result is smaller
>
> Optimizing oela-icon-lg.png
> Input size: 213023 (208K)
> Result size: 169235 (165K). Percentage of original: 79.444%
> Result is smaller
>
> Optimizing oela-icon.png
> Input size: 18674 (18K)
> Result size: 15273 (14K). Percentage of original: 81.788%
> Result is smaller

https://github.com/google/zopfli
@hartwork hartwork changed the title png: Reduce file size by about 20% using zopflipng 1.0.3 (losslessly) Reduce PNG file size by about 20% using zopflipng 1.0.3 (losslessly) Nov 3, 2023
@hartwork
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@gmkurtzer do you have a minute for this? What do you think?

@dirkmueller
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I'm not greg but it seems obvious enough. BTW, these assets are copied also elsewhere, like openela.org.

@hartwork
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I'm not greg but it seems obvious enough. BTW, these assets are copied also elsewhere, like openela.org.

@dirkmueller thank you! I have created openela/openela.org#25 now to address the same over there. Are you aware of any other repository that could use a change like that?

@dirkmueller
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No, I think that's everything that is in GitHub. Thank you very much for the extra PR!

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2 participants