Mastodawn

- Average #PNGCrush user: OMFG It went from 200KB to 175KB absolutely insane compression levels!!!!

- Average #PNGQuant user: It only went from 200KB to 46KB? Just a little bit more... I can feel I can squish a few KB out.

Of course, I do the silly:

> Note: This is the command I use on Android via Termux to compress PNGs, that's why it's ugly AF. In my copypasta version it doesn't even have newlines.

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Damian Yerrick 1d ago

@wyatt @kawa @gelatin You can't tell from the extension or MIME type whether someone ran a recording through LossyWAV before FLAC encoding. Likewise PNG with pngquant or other palette dithering tools.

#pngquant #LossyPNG #LossyWAV #FLAC #PNG #lossless

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Damian Yerrick Mar 26

@wyatt @kawa There have been a few attempts at "lossy PNG". One method, anticipated by the standard, involves reducing colors in a continuous-tone image to store it in indexed mode. The other involves adjusting pixels of 24-bit images to be better predicted by PNG's line filter, giving more zero bytes for DEFLATE to use

Indexed: https://pngquant.org/
Blurizer: https://github.com/kornelski/mediancut-posterizer/tree/blurizer

#png #LossyPNG #pngquant #ImageCompression

pngquant — lossy PNG compressor

аккаунт более неактивен Dec 1, 2025

Сжатие изображений в #PNG через #pngquant не всегда удачно и без последствий. Надо внимательно и вкрадчиво проверять результат. Порой убирает полутона в самых неподходящих местах, уродуя или солидно меняя блики\отсветы на поверхностях.

GripNews May 21, 2024

🌗 GitHub - ImageOptim/gifski: 基於libimagequant (pngquant)的GIF編碼器。將可最大限度地提高糟糕的GIF格式的質量。
➤ ImageOptim/gifski - 基於libimagequant (pngquant)的高品質GIF編碼器
✤ https://github.com/ImageOptim/gifski
GitHub上的ImageOptim/gifski是一個基於libimagequant (pngquant)的GIF編碼器。它能夠從糟糕的GIF格式中擠取出最大可能的質量。
+ 這對我很有用！我一直在尋找一個能夠提高GIF質量的工具。
+ 好的工具，我一定要試試看！
#GitHub #ImageOptim #gifski #GIF編碼器 #libimagequant #pngquant

GitHub - ImageOptim/gifski: GIF encoder based on libimagequant (pngquant). Squeezes maximum possible quality from the awful GIF format.

GIF encoder based on libimagequant (pngquant). Squeezes maximum possible quality from the awful GIF format. - ImageOptim/gifski

GitHub

SkyfaR

Jan 9, 2024

@haojatsu in welchen Dateiformat lädst du denn hoch ?

Bin großer Fan von #pngquant und #pngoo https://pngquant.org/

Ist auch ganz nett
https://saerasoft.com/caesium

pngquant — lossy PNG compressor

Aslak Raanes Jan 27, 2023

Using @kornel's #pngquant with @[email protected]'s nice "12-bit rainbow palette"

pngquant --map a267501b520bb98e.png kodim23.png

where "a267501b520bb98e.png" is from:

https://fosstodon.org/@kate/109348023789472321

Kate Rose Morley (@[email protected])

Attached: 1 image I designed the 12-bit rainbow palette for use on https://grid.iamkate.com. It consists of twelve colours chosen with consideration for how we perceive hue, chroma, and luminance. The palette uses a 12-bit colour depth, so each colour requires only four characters when specified as a hexadecimal colour code in a CSS or SVG file. For more details, see https://iamkate.com/data/12-bit-rainbow/

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