png-palettes PNG图形压缩软件
将 PNG
图像的 RGBA 模式转为调色板模式,从而减小图像大小。目前压缩只压缩 RGBA 模式的图像,调色板模式将跳过。这是一个多线程有损PNG
图像压缩工具。
工具使用跨平台框架Tauri开发,核心功能是png-palettes-optimization命令行工具修改而来的。
使用libimagequant生成调色板 image-png编解码
PNG
图像数据
选择或拖拽需要压缩的文件或目录,选择或拖拽目录时将扫描压缩此目录下所有的PNG
文件。
注意!被压缩的图片将会覆盖原文件
![](https://private-user-images.githubusercontent.com/47600522/251335534-0497bf92-8394-4676-871d-0e72aa9b78b2.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.1u9GRkG2SJPxf6FkdMg2s6k5Ktp7Eyfb47xRCi4XKhc)
选择图片后的效果
减小压缩的文件大小,最直接的方法就是降低目标值
![](https://private-user-images.githubusercontent.com/47600522/251335582-11be0dcf-259e-453c-94bd-f8619606bc40.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.LEtNdwuwLtkRjWGfHfz_KioXnd45PfOKXLicdTPy6uY)
效果
压缩前 | 压缩后 |
---|---|
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73.8 KB (75,628 字节) | 24.1 KB (24,708 字节) |
如果是已压缩的PNG
将不会再次压缩
这时将会显示
不支持的PNG颜色模式
,因为目前只支持RGBA
模式的PNG
图,如果是RGB
模式的PNG
图也会报出此错误,这时需要使用PS或其它工具转换为RGBA
的颜色模式
![](https://private-user-images.githubusercontent.com/47600522/251616179-8dbdb79b-99dc-4f30-8dc3-5a849f41a614.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.xWN804xvSjHId9YwhRDIzYmRfl02N-KLQXVip5b0D64)