JPG File Documentation

Overview

Feature Value
File Extension .jpg or .jpeg
MIME Type image/jpeg
Compression Lossy
Compression Method Discrete Cosine Transform (DCT)
Color Depth 24-bit (16.7 million colors)
Alpha Channel Support No
Transparency Support No
Layer Support No
Metadata Support Yes (EXIF, ICC color profiles, XMP)
Standardization ISO/IEC 10918-1
Maximum Image Size 65,535 x 65,535 pixels
Progressive JPEG Support Yes
Typical Use Case Photographic images on the web
Animated Support No (without extensions)
Color Models Grayscale, RGB, YCbCr
Editing Recompression Loss Yes
Multi-Resolution Support No
Patent and Royalties Free of royalty fees
Chroma Subsampling Supported
Resolution Units Pixels
Optimization for Web High