How to convert PNG to JPG online
- 1
Drop your PNG file
Drag your Portable Network Graphics file onto the box above, or click it to pick a file.
- 2
Wait a few seconds
Conversion starts on its own and runs on your device, not on a server.
- 3
Download your JPG
Click Download to save the Joint Photographic Experts Group file.
PNG vs JPG: format overview
Portable Network Graphics
PNG Development Group (Thomas Boutell) · 1996
- Compression
- lossless
- Color depth
- 16-bit
- Transparency
- Yes
- ✓ Lossless compression — pixel-perfect quality
- ✓ Full alpha transparency (8-bit alpha channel)
- ✗ Large file sizes for photos
Joint Photographic Experts Group
Joint Photographic Experts Group · 1992
- Compression
- lossy
- Color depth
- 8-bit
- Transparency
- No
- ✓ Universal compatibility — supported everywhere
- ✓ Excellent compression for photos
PNG magic bytes: 89 50 4E 47 0D 0A 1A 0A
JPG magic bytes: FF D8 FF
Why convert PNG to JPG?
PNG files are ideal when you need transparency or lossless quality, but they carry unnecessary overhead when the image is a photograph without transparent areas. A PNG photograph can be three to five times larger than the equivalent JPG, which creates friction when uploading to platforms with strict file size limits. Google Slides, Gmail attachments, real estate listing portals, and many e-commerce platforms impose size caps that PNG photos frequently exceed.
JPEG is the standard for photographic distribution across the web and in professional workflows. Stock photo sites like Shutterstock and Getty Images accept JPG as their primary submission format. Social platforms including Instagram, Pinterest, and Facebook internally convert uploads to JPG anyway, so starting with a JPG avoids a double-compression penalty. Email clients render JPG attachments reliably across all devices, making it the safe choice for professional correspondence.
Converting a PNG photograph to JPG reduces file size dramatically without visible quality loss at settings above 80 percent. One thing to be aware of: if your PNG has transparent regions, those areas will be filled with a solid color during conversion, typically white, since JPG does not support transparency. For photos with no transparent areas, the conversion is straightforward and the output is ready for immediate use on any platform, in any browser, or as an email attachment.
Quality & file size: PNG to JPG
The whole point of PNG to JPG is a smaller file, and the trade is a small amount of quality. JPEG is lossy, so it discards some data to compress — but at the 85% quality the converter uses, the result is visually identical to the PNG for photographic content; you'd have to zoom past 200% on fine edges to spot a difference. A photo saved as PNG can be 3–5× larger than the same image as JPG, so the size drop is dramatic.
Two things decide whether JPG is the right target. First, transparency: JPG has no alpha channel, so any transparent areas in the PNG are flattened to a solid colour (white by default) — fine for photos, wrong for logos and cutouts (use PNG or WebP there). Second, content type: JPG shines on photographs and smooth gradients but struggles with sharp edges, flat colour, and small text, where PNG's lossless compression is actually both smaller and cleaner. Convert photos; keep screenshots and graphics as PNG.
Frequently asked questions
How do I make a PNG file smaller?
What happens to transparent PNG backgrounds when I convert to JPG?
Can I convert PNG to JPG without losing quality?
Should I convert PNG to JPG or WebP for web use?
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