PNG压缩 [英] PNG Compression

问题描述

一些PNG图片，尽管只有150px x 160px宽，但文件大小为60KB.我已经通过优化程序(适用于Mac的ImageOptim)运行了它们，但这并没有太大帮助.

Some PNG images although just 150px x 160px wide have 60KB filesize. I've already run them though optimizers (ImageOptim for Mac) but that didn't help much.

是否有任何方法可以手动或使用其他工具对其进行进一步压缩?正常的150x160图像需要60KB，这实在是不可接受的，因为需要透明，我不能在其中使用JPG或GIF.

Is there any way to compress it further, either manually or using some other tool? 60KB for a normal 150x160 image is really unacceptable and I can't use JPG or GIF there because I need transparency.

我尝试将PNG导出为 8位PNG ，文件大小已大大减少！

I tried exporting the PNGs as 8-bit PNG and the filesize has reduced significantly!

推荐答案

尝试导出与8位PNG相同的PNG，并且文件大小已大大减少.

Tried exporting the same PNGs as 8-bit PNG and the filesize has reduced significantly.

步骤:

• 在Photoshop中打开PNG
• 文件>保存用于Web和设备
• 从预设"下拉列表中选择"PNG-8 128抖动"
• 保存

将31kb的图像减少到10kb.

Reduced a 31kb image to 10kb.

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