30 lines
952 B
Markdown
30 lines
952 B
Markdown
---
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title: "🖼️ pngcrush — инструмент для оптимизации сжатия PNG-файлов"
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date: 2023-09-30T20:44:15+03:00
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draft: false
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tags: [tools, images]
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---
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`pngcrush` — Tool for optimizing the compression of PNG files.
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`pngcrush` — Инструмент для оптимизации сжатия PNG-файлов.
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URL: http://pmt.sourceforge.net/pngcrush.
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Пакет есть в репозиториях `Arch` и `Ubuntu`.
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**Пример работы утилиты:**
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```sh
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pngcrush -brute jfxr.png jfxr2.png
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```
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```text
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Warning: versions are different between png.h and png.c
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png.h version: 1.6.37
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png.c version: 1.6.40
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Recompressing IDAT chunks in jfxr.png to jfxr2.png
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Total length of data found in critical chunks = 118940
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Best pngcrush method = 7 (ws 15 fm 0 zl 9 zs 0) = 84876
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CPU time decode 4.074774, encode 11.337994, other 0.100056, total 15.764133 sec
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```
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