What is JPG?
JPG (JPEG) is a lossy raster format built for photographs. It shrinks file size by discarding detail the eye is less likely to notice, which makes it a default for cameras, email, and the open web.
JPG (JPEG) is best for photographs and everyday sharing when file size matters. Extensions: .jpg, .jpeg, .jfif. MIME: image/jpeg. Can be used as input. Can be used as output.
Common uses
- Photos and continuous-tone images
- Email and messaging attachments
- Sites that need small download sizes
Things to know
- Does not store an alpha (transparency) channel
- Repeated re-encoding can add blocky compression artifacts
- Poor fit for sharp UI, logos, or text-heavy graphics
- Formatly converts JPG in your browser. Files are not uploaded.