PNG vs. JPG: What's the Difference?
PNG and JPG are both common image formats, but they're built for different jobs. PNG uses lossless
compression, meaning no image data is discarded — this makes it the better choice for logos,
screenshots, graphics with sharp edges or text, and anything that needs a transparent background.
JPG uses lossy compression, which discards some image data to produce a much smaller file. That makes
JPG the more practical format for photographs and anything where file size matters more than
pixel-perfect
accuracy — web pages, email attachments, and photo galleries, for example.
The trade-off is straightforward: PNG files are usually larger but preserve every detail and support
transparency. JPG files are smaller and load faster, but they don't support transparency and lose a
small amount of image data every time they're re-saved. Converting a PNG to JPG makes sense when
you need a smaller file for the web, need broader compatibility with tools that don't accept PNG, or
are working with a photo where PNG's lossless compression isn't adding meaningful benefit.
A Note on Transparency
This is the one thing worth knowing before you convert: JPG does not support transparent
pixels. If your PNG has a transparent background — a logo, an icon, a sticker-style graphic
— those transparent areas will be filled in with a solid white background in the resulting JPG. This
is normal behavior for any PNG-to-JPG conversion, not a bug or limitation specific to this tool. If
you need to keep transparency, keep the file as a PNG, or place it on a background color you're
happy with before converting.
How to Convert a PNG to JPG
- Click "Choose a PNG file" above and select the image you want to convert.
- Click "Convert to JPG." The conversion happens instantly in your browser.
- Preview the result to confirm it looks the way you expect.
- Click "Download JPG" to save the converted file to your device.
When to Use JPG Instead of PNG
- Photographs — JPG's compression is well-suited to photos, where the human eye
doesn't notice the small amount of data loss as easily as it would on flat graphics or text.
- Web pages that need to load fast — smaller JPG file sizes mean quicker page loads,
which matters for both user experience and search ranking.
- Email attachments or upload limits — when a form, platform, or email provider caps
file size, converting a large PNG down to JPG can bring it under the limit.
- Tools or platforms that don't accept PNG — some older systems and forms only accept
JPG uploads.
On the other hand, stick with PNG for logos, icons, screenshots with text, and anything that needs a
transparent background — converting those to JPG will add a white background and can introduce
slight blurring around sharp edges that PNG would have kept crisp.
Tips for Best Results
- If your PNG has transparency and you want a background color other than white, edit the image to add
that background before converting.
- Very large PNG files (high-resolution photos or scans) may take a moment longer to process in the
browser — this is normal.
- If you need to convert several images, repeat the steps above for each one; each conversion happens
independently in your browser.
- Always preview the converted image before downloading, especially if the source PNG had transparent
areas.