Convert PNG to JPG for Smaller Files
PNG is lossless, which is why exported graphics and screenshots are often several times larger than the same image needs to be. JPG trades a controlled amount of detail for a much smaller file.
What you gain and what you give up
The size drop is largest on photographs and textured images. What you lose is transparency, since any transparent area has to be filled with a solid colour, and hard edges can pick up slight artefacts because JPG does not store crisp boundaries perfectly.
When to keep the PNG
Keep PNG for logos, flat graphics, screenshots of text and anything that must keep a transparent background. Convert to JPG when the image is a photo, or when it has to pass a file-size limit and transparency does not matter.
Frequently asked questions
- What happens to the transparent areas?
- They are filled with a solid colour, usually white. If the transparency matters, keep the PNG or use WebP, which supports transparency and still compresses well.
- My screenshot barely shrank. Why?
- Screenshots of text and flat interfaces contain little detail for JPG to discard, so the saving is modest. The gain is much bigger on photographs and images with gradients.
- Can I convert a whole folder of PNGs?
- Yes, the batch image compressor handles multiple files at once and returns them as a ZIP, which is faster than converting one by one.