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What is an EMB file?

Why your machine will not read it, and three ways to get a file it will.

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The short answer

An EMB file is Wilcom's working design format, used by EmbroideryStudio and Hatch. It keeps the objects, stitch types and lettering so the design can still be edited. Embroidery machines cannot read it: you export a machine file such as DST or PES from Wilcom, Hatch or Wilcom's browser app TrueSizer. Embify cannot open EMB files.

EMB, DST and PES

FormatFromStill editable?Machines read it?
EMBWilcomYes: objects, stitch types, letteringNo
DSTTajimaStitches only, no coloursMost commercial machines
PESBrotherStitches with thread coloursBrother, Baby Lock

How to get a machine file from an EMB

  1. In EmbroideryStudio or HatchOpen the EMB and save or export it as the format your machine uses.
  2. In a browser with TrueSizerWilcomWorkspace TrueSizer can open EMB and save DST, PES, JEF, HUS, XXX and more. It is a subscription with a 14-day trial.
  3. Ask whoever made itA digitizer who sends an EMB can always send the machine file too.

Already have a DST or PES?

Embify's stitch file editor opens DST, PES, JEF and EXP files, so you can resize, turn and mirror them, and save them for another machine.

Only have the logo?

Upload the original artwork instead. Embify digitizes it from scratch and you get a machine file without the EMB at all.

The logo as uploaded
The logo as uploaded
→
Embify sew-out preview
Embify sew-out preview
From the logo artwork, with no EMB file involved.

Common questions

Can I convert EMB to PES for free?

Only with Wilcom software, and TrueSizer's 14-day trial is the free way in. Otherwise ask whoever made the EMB for a PES.

Why will my machine not read my EMB file?

EMB is a design file for editing in Wilcom software. Machines read stitch files such as DST, PES or JEF.

Can Embify open EMB files?

No. Embify opens DST, PES, JEF and EXP, and digitizes PNG, JPG and SVG artwork.

Is EMB the same as DST?

No. DST holds only stitches and colour changes. EMB holds the whole editable design.

Sources

Every outside fact on this page was checked on 23 Oct 2026.

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