PNG 转 JPG
JPG 的体积只是 PNG 的一小部分，发邮件截图、发照片，或是卡在网站的文件大小限制之下，用它都更省心。
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PNG
A sharp, high-quality image format with support for transparent backgrounds. The go-to choice for screenshots, logos, and icons.
JPG
The most common photo format. Small file sizes and opens everywhere — ideal for photos and everyday images.