Convert PNG images to JPG format for smaller file sizes and broader compatibility. LessMB handles the conversion locally in your browser without uploading files.
拖放文件到此处，或
JPG · PNG · WebP · GIF · AVIF · SVG
JPG compression is much more efficient for photos and complex images. Converting PNG to JPG can reduce file size by 50-80% for photographic content.
JPG is universally supported across all devices, browsers, email clients and social platforms. It is the safest format for sharing photos.
The PNG file is processed entirely in your browser. Your images never leave your device during the format conversion.
Convert large PNG photos to JPG for easier email attachment and social media upload.
Photo sharingReduce page weight by serving photos as JPG instead of PNG.
Web optimizationFree up disk space by converting bulky PNG files to compact JPG format.
Storage savings关于此工具、支持流程和本地浏览器处理的常见问题回答。
Yes. LessMB converts PNG to JPG for free in your browser without requiring an account.
Yes. JPG does not support transparency. Transparent areas will be filled with a white background. Use WebP if you need transparency with smaller files.
No. Conversion runs locally in your browser session.