JPEG to PNG Online Converter

只需 3 步，轻松将您的 JPEG 文件转换为 PNG 格式。

PNG⌄

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Convert JPEG to PNG Format

JPG to PNG conversion is essential when you need lossless quality or transparent backgrounds. JPG's lossy compression is great for photos, but it introduces artifacts around sharp edges — logos, text, and icons look blurry. PNG preserves every pixel exactly and supports full alpha transparency, making it the industry standard for web graphics, UI assets, and print-ready artwork. Once converted, you can re-edit and export the file repeatedly without any quality degradation.

Why Convert JPEG to PNG?

🖼️

Transparent backgrounds

PNG supports full alpha transparency. Remove backgrounds cleanly after converting from JPG.

✍️

Text and logos

Crisp edges on text and solid shapes stay artifact-free in PNG, unlike the blurry halos in JPG.

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Non-destructive editing

PNG never loses quality on re-save. Edit and export repeatedly without generational loss.

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Web UI assets

Icons, buttons, and interface elements look pixel-perfect as PNG on any high-DPI display.

JPEG

File extension.jpeg
DescriptionJPEG is the most widely used lossy image compression format, ideal for photographs and complex images with many colors.
Associated programsAdobe Photoshop, GIMP, Windows Photo Viewer, Preview (Mac)
Developed byJoint Photographic Experts Group
MIME typeimage/jpeg

PNG

File extension.png
DescriptionPNG (Portable Network Graphics) is a lossless raster image format that supports transparency. Ideal for graphics, logos, icons, and images that require a transparent background.
Associated programsAdobe Photoshop, GIMP, Microsoft Paint, Preview (Mac)
Developed byPNG Development Group
MIME typeimage/png

如何将 JPEG 转换为 PNG？

只需 3 步，轻松将您的 JPEG 文件转换为 PNG 格式。

Step 01

上传您的 JPEG 文件

点击「选择文件」或将您的 JPEG 图片拖放上传。

Step 02

选择 PNG 作为输出格式

从下拉菜单中选择「PNG」作为所需输出格式。

Step 03

转换文件

点击「立即转换」开始将 JPEG 文件转换为 PNG。

Step 04

下载 PNG 文件

转换完成后，下载您已转换的 PNG 文件。

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Tip: Converting JPG → PNG does NOT recover quality lost during original JPG compression. PNG preserves whatever quality the JPG has — without further loss.