- Extension
- .g4
- .isobrl6
- Format
- Binary
- Category
- Fax
- Other
- Developer
- Computer Fax Systems (CFS)
- Braille Institute of America
- 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.
- ISO/TR 11548-1 BRaiLle 6 dots is a file type used to store text in a special format that is readable by a Braille printer. It is intended to be used to create tactile materials for the visually impaired.
- MIME Type
- image/g4fax
- application/braille-6dot
