PNG to JPG Converter: Convert PNG images to JPG in bulk, with a background for transparency. Input: PNG files and values you enter. Output: Results shown on the page and a downloaded file. Privacy: Runs in your browser: inputs and files stay on your device and are not uploaded.
How to convert PNG to JPG
- Drop one or more PNG files on the box above, or tap it to choose them.
- The output format is already set to JPG. Adjust the quality or maximum size if you like.
- Download each converted file, or all of them as a ZIP.
Why convert PNG to JPG?
PNG is lossless: great for screenshots, logos and graphics, but photos saved as PNG are often 5–10 times larger than they need to be. JPG (JPEG) uses lossy compression designed for photographs, so a 6 MB PNG photo typically becomes 500 KB–1 MB as a JPG at 90% quality with no visible difference. That makes it easier to email, upload to forms with size limits, or use on a website.
JPG has no transparency. Transparent parts of your PNG are filled with the background color you choose next to the Compress button, white by default. If you need to keep transparency, convert to WebP instead, or keep the PNG.
Keep screenshots of text and line art as PNG if you can: JPG adds faint blur and halos around sharp edges. For those, a quality of 95% minimises artefacts.
Conversion runs in your browser with the MozJPEG encoder compiled to WebAssembly, so your images are never uploaded and the page keeps working if your connection drops.
Example: photos and a logo
We converted PNG files at this page's default 90% quality in Chrome on a laptop. A 12-megapixel photo saved as PNG (24.7 MB, 4000 × 3000 pixels) became a 2.5 MB JPG with an SSIM score of 0.994, where 1 means identical, and a 1600 × 1064 portrait went from 4.3 MB to 411 KB (SSIM 0.989). Across six test images and the whole quality range, our JPGs were on average the same size as MozJPEG's, a leading JPEG encoder, at equal quality, and about 18% smaller than the standard libjpeg-turbo. At this page's 90% default, which picks for each image whether to keep full colour detail, the portrait, a busy crowd photo and a screenshot all matched MozJPEG's best at the same quality. A small flat logo with transparency went the other way, from 19 KB to 25 KB, which is why logos and screenshots are better kept as PNG.
How it compares with a free online converter
| This tool | CloudConvert (free) | |
|---|---|---|
| Conversions per day | No limit | 10 conversion credits |
| File size | Your device memory | 1 GB per file |
| Files per batch | No fixed limit | Not stated |
Free limits as published by CloudConvert (checked 22 October 2026): CloudConvert pricing. They change often; the paid plans lift them.
FAQ
Will converting PNG to JPG lose quality?
JPG is lossy, so tiny details change, but at 85–95% quality photos look identical. Sharp text and flat graphics may show slight artefacts.
What happens to the transparent background?
JPG cannot store transparency, so transparent areas are filled with the background color you pick (white by default).
Can I convert many PNG files at once?
Yes. Drop as many PNG files as you like and download them all as one ZIP file.
How do I make a PNG file smaller?
If it is a photo, convert it to JPG here: a 24.7 MB PNG photo became a 2.5 MB JPG with almost no measurable loss (SSIM 0.994). If it is a logo, screenshot or graphic, keep it as PNG and use Compress PNG instead.