JPG to PNG
Convert JPG images to lossless PNG format with transparency support.
PNG to JPG
Convert PNG images to JPG format with smaller files and adjustable quality. Free, no signup, up to 200MB.
3 free operations remaining today
Drop your PNG here
Convert to JPG — up to 200 MB
Browse files
How to Convert PNG to JPG
Smart PDF Lab converts PNG files to JPG in three steps with quality control.
- 1
Upload your PNG.
Drop your PNG file or click Browse files to upload images up to 200MB.
- 2
Choose output quality.
Set the JPG quality level from 60% (smallest) to 100% (highest).
- 3
Download the JPG.
Save your converted image directly to your device.
Why Convert PNG to JPG With Smart PDF Lab
Smart PDF Lab converts PNG to JPG when smaller file size matters more than transparency. JPG files are typically 60-80% smaller than equivalent PNG files, making them ideal for photographs, web images, email attachments, and storage-limited uploads.
The converter handles transparency correctly by filling transparent areas with white or a custom background color. Multiple PNG files can be converted per session, with no signup, no watermark, and no daily cap.
When to Choose JPG Over PNG
JPG is the better format choice when:
- Photographs — The image is a photograph with smooth color gradients and no sharp edges.
- File size matters — For email, web, or upload-limited forms.
- No transparency needed — JPG does not support transparent backgrounds.
- Social media — Platforms re-encode images anyway, so JPG is often the right starting point.
- Final delivery — JPG is suitable when the image will not need future editing.
- Universal compatibility — JPG works in every image viewer and browser.
Frequently Asked Questions
What happens to PNG transparency?
Transparent areas fill with a solid color (white by default, or a custom color you choose) since JPG does not support transparency.
How much smaller will my JPG be?
JPG files are typically 60-80% smaller than equivalent PNG files. Exact reduction depends on image complexity and your chosen quality level.
Will I lose image quality?
JPG uses lossy compression, so some quality is lost. At 90% quality, the difference is invisible to most viewers. Lower quality settings produce smaller files with more visible compression artifacts.