- Extension
- .g4
- .jfi
- Format
- Binary
- Binary
- Category
- Fax
- Raster Image
- Developer
- Computer Fax Systems (CFS)
- JPEG Group
- Description
- Group 4 (G4) used for black and white lossless compression to maintain high-quality images, commonly used in TIFF format compression by fax machines. A picture is seen as black dots and lines on a blank page; the fewer the dots and lines are, the lesser the file size.
- Developed by y JPEG (Joint Photographic Experts Group), JFI files are used to transfer jpeg encoded data between computer platforms and programs. It contains a compressed bitmap image that will full palette.
- MIME Type
- image/g4fax
- image/jpeg
