JAN

Status

Field	Value
Extension(s)	.jan
Common ecosystem	Janome Digitizer
Format family	Native working file
Satin Studio status	Researching
Open / import	No
Export	No
Confidence	Medium.

What it is

JAN is a Janome software working format, distinct from machine-ready JEF.

Satin Studio direction

Document as a working-file lead. JEF remains the machine-file priority.

Versions and variants

JAN is a Janome working format, distinct from JEF. Version behavior is not documented here yet.

File identification notes

Exact object model and version behavior are unverified.

Observed structure notes

• No reliable JAN byte structure is established here.
• Treat JAN as a Janome working-file lead that likely contains higher-level design state separate from machine-ready JEF stitches.

Structure sketch

JAN is a working-file lead, not a known machine stream.

struct JanWorkingFileCandidate<'a> {
    // Object model, version marker, and stitch extraction are unverified.
    raw: &'a [u8],
}

What we still need

Janome Digitizer fixtures.