JEF File Documentation

Overview

Feature Value
Format Name Janome Embroidery Format
File Extension .jef
MIME Type application/octet-stream
Developed By Janome Sewing Machine Co., Ltd.
Primary Use Embroidery design files for Janome sewing machines
File Type Binary
Compression Not compressed
Editable Yes, with specific software
Support for Hoop Sizes Multiple, including but not limited to A, B, C, and D
Coordinates System Absolute
Color Support Yes, Janome color palette
Maximum Stitches Variable, depending on the machine model
Thumbnail Embedded Yes
Data Storage Format Stitch instructions and attributes
Machine Compatibility Janome, Elna, and other compatible embroidery machines
Encryption No
Copy Protection No
Typical Usage Storing embroidery patterns and designs
Software Support Various embroidery design and editing software
Structural Elements Header section, body (design data), EOF marker
Vector or Raster Vector-based (instructional)