JPG转PNG
在浏览器中即时将JPG/JPEG图片转换为PNG格式
Drop a JPG/JPEG image here or click to browse
Max size: 20MB
JPG to PNG Converter
Convert JPG/JPEG images to PNG format instantly in your browser. PNG supports transparency (alpha channel), making it ideal for logos, icons, and graphics that need a transparent background.
JPG vs PNG — when to use each
Use JPG for
Photos, real-world images, and anything where small file size matters more than perfect quality. JPG compression is lossy.
Use PNG for
Logos, screenshots, icons, and images with transparency. PNG is lossless — no quality degradation on save.
JPG advantages
Much smaller file size than PNG for photos — typically 5–10× smaller at similar perceived quality.
PNG advantages
Lossless quality, alpha transparency, and sharp edges for text and graphics.
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