将庞大的PNG图片无损转换为更小体积的JPG格式
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⚠️ Note: Articles are available in English.
PNG格式以其无损质量和支持透明度而广受欢迎，但代价是极大的文件体积。当您的图片不需要透明背景，且需要上传到网站或通过邮件发送时，将其转换为JPG格式是最佳选择。这可以帮助您减小高达80%的文件大小，同时保持视觉上的高清晰度。
我们的工具经过深度优化，能提供市场上最快的转换体验。所有操作即点即完，让繁琐的文件格式转换变得轻而易举。
Everything you need to know about optimizing your assets
因为JPG格式不支持透明通道，我们的工具会自动将原图中的透明区域填充为纯白色，以保证主体内容显示正常且美观。
我们在转换过程中默认采用了极高品质的JPG压缩等级。对于绝大多数照片和插画，人眼几乎无法察觉到任何画质的降低，但体积却显著缩小。
由于工具完全依赖本地浏览器的性能，理论上没有张数限制。您可以一次性选择数百张图片进行批量转换，过程会在瞬间完成。
当批量转换完成后，您可以选择单独下载单张图片，也可以点击一键下载所有文件，极大地简化了操作流程。
传统的在线转换器需要您将文件上传到远程服务器排队等待。我们的工具直接利用本地计算资源，零上传时间、不消耗带宽，且100%防止隐私泄露。
完全可以。工具拥有优秀的响应式设计，无论是在iPhone还是Android手机上，只要打开浏览器就能像在电脑上一样流畅使用。
目前的版本旨在提供最快的一键优化体验，预设了最佳平衡的质量参数。未来我们会考虑加入质量滑块供高级用户自定义。
处理几十兆甚至上百兆的超清大图时，会稍稍消耗几秒钟的CPU运算时间，但整体体验依然远远快于网络上传处理的速度。
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