JPEG File Interchange Format
jpeg: 3 specs
- Media type
- image/jpeg
- Extensions
- jpg, jpeg
- Specification
- https://www.w3.org/Graphics/JPEG/itu-t81.pdf
- Judged by
- pillow, imagemagick, ffmpeg, djpeg
Specs
| Spec | What it is | Version | Status | How it does |
|---|---|---|---|---|
| jpeg/jpeg | Baseline grayscale 8x8 JPEG with a JFIF header | 1.0 | accepts 100%, covers 25.7%, 37/s | |
| jpeg/jpeg-exotic | JPEG with unusual features (12-bit samples, 16-bit tables, arithmetic, lossless, DNL); files do not decode | 1.0 | accepts 1%, covers 11.2%, 6.2/s | |
| jpeg/jpeg-markers | JPEG at the marker level (APPn, COM, DQT, DHT, DRI, SOF0-2, SOS); tables and scan data are random, so files rarely decode | 1.0 | accepts 9%, covers 20.0%, 14/s |