PNG to JPG
Convert PNG images to JPG, with transparency flattened onto a colour you choose.
Runs in your browser using Canvas 2D + toBlob — nothing is uploaded
How to use it
- Add one or more PNG files.
- Pick the background colour that will replace any transparent areas — JPG cannot store transparency.
- Set the quality, then press Convert and download.
Questions
What happens to transparent areas?
JPG has no alpha channel, so transparency must become a solid colour. This tool paints your chosen background behind the image first. Without that step transparent pixels typically turn black.
How much smaller will the JPG be?
For photographs, often 5–10 times smaller. For flat graphics, logos and screenshots, PNG is usually the better format and JPG may look worse at a similar size.