PNG to JPEG Converter
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Convert PNG to JPEG online
Use this PNG to JPEG converter to turn PNG files into JPEG right in your browser — ideal for photographs, web and email images and social media uploads. PNG supports transparency while JPEG does not, so transparent areas become a solid background color.
When should you convert PNG to JPEG?
- To reduce file size and make uploading and sharing easier
- When you don't need a transparent background
- When you need it for photographs
- When you need it for web and email images
What happens to your file
JPEG cannot store transparency, so any RGBA, LA, or palette image is composited onto a solid white background first and then saved as RGB.
Settings this conversion runs with
| Engine | Pillow (Python Imaging Library) |
|---|---|
| Colour mode | RGB |
| Alpha channel | Flattened onto white |
What changes
- Your PNG can hold transparency and JPEG cannot. Transparent pixels become white — not "removed", but painted over. If you need the cutout to survive, stay on PNG, WebP, or AVIF.
About PNG and JPEG files
PNG image
Strengths
- transparent backgrounds
- sharp text and lines
- lossless quality
Limitations
- larger files than JPG for photos
- no animation
JPEG image
Strengths
- small file size
- works almost everywhere
- great for photos
Limitations
- no transparency
- lossy compression
- not ideal for sharp graphics
PNG vs JPEG
| Format | PNG | JPEG |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | Yes | No |
| Best for | screenshots, logos and icons | photographs, web and email images |
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Frequently asked questions
- What happens to the image when you convert PNG to JPEG?
- JPEG cannot store transparency, so any RGBA, LA, or palette image is composited onto a solid white background first and then saved as RGB.
- What should you know before converting PNG to JPEG?
- Your PNG can hold transparency and JPEG cannot. Transparent pixels become white — not "removed", but painted over. If you need the cutout to survive, stay on PNG, WebP, or AVIF.
- Is this PNG to JPEG converter free?
- Yes. You can convert PNG to JPEG online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. Use the converter from your browser without installing software or creating an account. Files are uploaded to our servers for processing.
- Will converting PNG to JPEG reduce quality?
- JPEG uses lossy compression, so the file can get smaller while some visual quality may change.
- Does JPEG support transparency?
- No. JPEG does not support transparent backgrounds, so transparent areas may become a solid background color.