Format guide · Janome JEF

Open JEF embroidery files on a Mac

JEF is Janome's embroidery format. It stores stitches and color changes with thread colors from Janome's palette.

Commonly used with: Janome home embroidery machines.

What Satinsmith does with JEF

Open and preview JEF files free. Save a design as JEF with any export: the free plan includes five exports a month, and paid plans are unlimited. Converting many files at once needs Studio.

    Satinsmith runs on Apple silicon Macs with macOS 14 or later. Download it free.

    What the format stores

    • Extensions: .jef. Maker: Janome.
    • Stores thread colors: yes.
    • Trims: no. Stops: yes.
    • Longest single stitch the format can store: 12.7 mm.

    Try your own file

    Add a folder with your JEF files to the free Satinsmith library to preview them before you rely on a workflow. The library lesson shows the steps with practice files.

    Before you sew

    Check your machine's manual for the formats and versions it accepts. Satinsmith checks files in software, reports what an export changes, and does not test files on machines. Known limits.