Will the PNG file be larger than the JPG?

Usually yes, because PNG uses lossless compression. The trade-off is zero quality loss and transparency support.

Does this preserve the original quality?

Yes. The conversion is lossless — no additional compression is applied.

JPG 转 PNG

Convert your JPEG images to PNG format with zero quality loss. PNG supports transparency and lossless compression, making it ideal for graphics, logos, and images that need crisp edges. Processing is browser-based for this tool.

免费 · 无限制 · 浏览器内处理

如何使用

1Upload your JPG image.
2The conversion happens automatically.
3Download the PNG result.

常见问题

Will the PNG file be larger than the JPG?: Usually yes, because PNG uses lossless compression. The trade-off is zero quality loss and transparency support.
Does this preserve the original quality?: Yes. The conversion is lossless — no additional compression is applied.