JPG to PNG
Make a lossless PNG copy of a JPG image.
Local browser processing
How it works
- Choose a JPG photo.
- Convert to PNG.
- Download the PNG file.
What JPG to PNG does — and does not do
The most important thing to know up front: converting a JPG to PNG does not improve quality. JPG is a lossy format, meaning detail was permanently discarded the moment the file was first saved. PNG is lossless, but lossless only means it faithfully stores whatever you give it — including the compression artifacts already baked into the JPG. Going from JPG to PNG preserves the current image exactly; it cannot bring back what the JPG threw away.
Expect the file to get larger, often much larger. PNG records every pixel without lossy compression, and photographs are full of fine variation, so a small JPG can turn into a PNG several times its size. That is normal and not a sign anything went wrong.
So when is it actually useful?
- A tool or upload form demands PNG. Some editors, design apps, and platforms accept PNG only. Converting gets your image through the door.
- You are about to edit and re-save repeatedly. Every JPG save loses a little more. Working in PNG between edits keeps each save lossless, so the image does not degrade step by step. Export back to JPG once at the end.
- You need to add transparency. JPG cannot store transparent pixels; PNG can. If you plan to knock out a background, you need a PNG to hold the result.
| Format | Type | Transparency | Typical size for a photo |
|---|---|---|---|
| JPG | Lossy | No | Small |
| PNG | Lossless | Yes | Larger, often much larger |
| WebP | Lossy or lossless | Yes | Small to moderate |
If it is only about compatibility
Plenty of tools that reject JPG also accept WebP, which stays far smaller than PNG and still supports transparency and lossless mode — see the WebP vs PNG guide and the JPG to WebP converter. And if you converted to PNG but really wanted a smaller photo, you likely want the opposite direction: PNG to JPG or the image compressor. Whichever way you go, the file is processed inside this browser tab and never uploaded.
Questions
- Does JPG to PNG improve quality?
- No. PNG is lossless but cannot restore detail the JPG already discarded. It preserves the current image, including any existing artifacts. Convert for editing or PNG-only tools, not to recover lost quality.
- Will the PNG be larger than the JPG?
- Usually yes, often much larger. PNG stores every pixel without lossy compression, so a photograph typically becomes several times the size of the original JPG. That is expected.
- When should I convert JPG to PNG?
- When a tool or upload form only accepts PNG, when you will edit and re-save repeatedly and want lossless intermediate saves, or when you need to add transparency, which JPG cannot store.
- Can I add a transparent background after converting?
- Converting to PNG gives you a format that can hold transparency, but it does not remove the background by itself. The whole image is opaque until you erase parts of it in an editor.
- Is PNG or WebP the better target?
- If you only need compatibility, WebP stays much smaller than PNG and still supports transparency and lossless mode. Choose PNG when a specific tool requires it or when maximum compatibility matters more than size.
- Is my photo uploaded?
- No. The conversion happens in your browser using the Canvas API, so the file stays on your device and the tool works offline.