Why convert EXP to JEF?
JEF is the native format for Janome embroidery machines, which do not read the Melco .exp format directly. Both formats store needle-movement sequences, making the conversion a routine format swap for anyone moving a design between machine brands.
How to convert EXP to JEF
Embird Embroidery Software APP
Open the .exp in Embird, assign thread colors if the design appears monochrome, then go to File > Save As and choose JEF.
SewWhat-Pro APP
Open the .exp in SewWhat-Pro and use File > Save As, selecting JEF from the format list.
Programs that convert EXP
About these formats
.EXP
Melco Embroidery Design
An EXP file is a machine-embroidery design in the native Melco stitch format, also used in the Bernina ecosystem. To view or convert it, use the free Wilcom TrueSizer (desktop or web). To…
Open .EXP details →
.JEF
Janome Embroidery File
A JEF file is a machine embroidery design for Janome (and Elna) machines - it stores the needle path, stitch coordinates, and thread colour sequence, not a printable image. To preview one…
Open .JEF details →Quality & what to watch
- Thread colors are not stored in the
.expfile - color stops are only machine control codes; after converting to JEF, verify the color sequence matches your original design intent. - Small changes in stitch density are normal when converting between machine-embroidery formats; always test-stitch on scrap fabric before sewing the final piece.
- JEF carries color data internally; assign the correct thread colors before exporting to JEF, or the file will use the software's default colors.
Frequently asked questions
Can I convert `.exp` to `.jef` without installing software?
Why does the converted JEF show wrong colors?
.exp stores no color data; you must assign thread colors in the conversion software before saving as JEF.
