JPG vs PNG: Quality, Transparency and When to Convert JPG to PNG
Learn what PNG offers over JPG, when a JPG to PNG conversion is worth it, and what it cannot fix.
What Is JPG?
JPG (JPEG) is a lossy format. Every time a JPG is saved, the encoder discards some detail to keep the file small. That works well for photographs but can leave blur and blocky artifacts around text and sharp edges.
What Is PNG?
PNG is a lossless format. It keeps every pixel exactly as saved and supports transparent backgrounds. That makes it the usual choice for logos, screenshots and interface graphics.
JPG vs PNG: Quality and Features
| Feature | JPG | PNG |
|---|---|---|
| Compression | Lossy | Lossless |
| Repeated edits and saves | Quality drops each save | No quality loss |
| Transparency | No | Yes |
| Sharp text and edges | Can show artifacts | Stays crisp |
When to Convert JPG to PNG
- You need a transparent background after removing or masking the original one.
- You will edit the image several times and want to stop further quality loss.
- The image is mostly text, line art, a logo or a screenshot.
- A design or print workflow asks for PNG files.
What Converting JPG to PNG Cannot Do
Converting a JPG to PNG does not bring back detail the JPG already discarded. It only stops further loss from that point on. Expect the PNG to be noticeably larger than the source JPG, especially for photographs.
How to Convert JPG to PNG
Open the JPG to PNG converter, add your image, convert it and download the PNG. Files are processed in your browser. If your goal is a smaller file instead, read PNG vs JPG.
Quality After Repeated Saves
Every time a JPG is opened, edited and saved again, the lossy compression is applied once more. A little detail is lost each time. PNG is lossless, so saving it again does not lower the quality. That is the main reason to convert a JPG that you plan to edit many times.
Transparency and Sharp Edges
PNG can store transparent pixels; JPG cannot. Text, thin lines and hard edges also stay cleaner in PNG, while JPG can leave faint blocky artifacts around them.
File Size Comparison
For photographs, a PNG is usually much larger than the same picture saved as a JPG. For flat graphics with few colours, the difference is small and PNG can even be smaller. See PNG vs JPG if file size is your main concern.
Frequently Asked Questions
Does converting JPG to PNG improve quality?
No. The PNG will look the same as the JPG. It just avoids more compression loss when you save again.
Will the PNG have a transparent background?
Not automatically. The converter keeps the pixels as they are, so a white background stays white until you remove it in an editor.
Is PNG better than JPG?
Neither is better in every case. PNG suits graphics and transparency; JPG suits photos where file size matters.
Should I convert my photos to PNG?
Only if you need lossless editing or a PNG file. Otherwise the JPG is smaller.
Try it now: JPG to PNG — free, in your browser. Related guide: PNG vs JPG: File Size and When to Convert PNG to JPG