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PNG vs. JPG: When to Use Each Format

PNG is the right format when you need a lossless image — one that preserves every pixel exactly. It is ideal for logos, icons, screenshots, and graphics with text or sharp edges. PNG also supports transparency, which makes it the only option when you need a see-through background.

JPG is better for photographs, product images, and any complex image where a small amount of compression is acceptable. It produces much smaller files at comparable visual quality, which directly improves web performance and reduces storage costs. If the image will be displayed as a photo and does not need transparency, JPG is almost always the better choice.

What Happens to Transparency When Converting to JPG?

JPG does not support an alpha (transparency) channel. When you convert a PNG with a transparent background to JPG, the transparent area is filled with a solid color. By default this is white, which works well for images on white backgrounds. If your image will appear on a dark or colored background, consider whether transparency is necessary — if it is, keep the PNG format. If it is not, converting to JPG and accepting a white fill produces a smaller file.