image format · .jpg

What is JPG?

Joint Photographic Experts Group

A lossy raster format tuned for photographs, balancing small file size against image quality.

Advantages

  • Small files for photos
  • Universally supported everywhere
  • Adjustable quality vs. size

Limitations

  • Lossy — quality degrades on re-saving
  • No transparency
  • Visible artifacts on text and sharp edges

Best used for

Photographs and complex images where small size matters.

Extensions
.jpg, .jpeg
MIME type
image/jpeg
Compression
Lossy

Free JPG tools