Brother SE400: hoop size, file format and designs

The Brother SE400 is a sewing and embroidery machine with a maximum embroidery area of 4 x 4 in (100 × 100 mm). It reads PES and DST files from a computer over a cable and has 70 built-in designs.

The Brother SE400 embroidery field, 100 by 100 mm, with a fox design and a 4 by 4 inch field for scale100 × 100 mm field

Brother SE400 embroidery specs

Type
Sewing and embroidery combo
Largest embroidery area
4 x 4 in (100 × 100 mm)
File formats
PES, DST
Getting designs on
Cable from a PC (the machine shows up as a removable disk)
Built-in designs
70
  • No USB stick port: it connects to a computer by USB cable and shows up as a removable disk holding up to 12 designs.
  • Designs sent over the cable are lost at power-off unless saved to the machine's memory. 67 built-in sewing stitches.

From Brother's published specifications, checked October 2026. Models vary by country; your manual has the final word.

What fits in the 4 x 4 in field

Your own designs

From any image to a PES file for the SE400

Upload a logo, a drawing or a pet photo. Embrizo separates the colors, picks the stitches and writes a file your machine reads.

  1. 1

    Upload the artwork

    PNG, JPG, WebP or SVG. A clean logo or a drawing with flat colors works best.

  2. 2

    Size it for the field

    Keep the design inside 100 × 100 mm, or smaller for the hoop you'll use.

  3. 3

    Check the stitches

    Watch the sew-out preview and the design check before anything touches fabric.

  4. 4

    Download PES

    Send the .pes file to the SE400 the way your setup allows.

Free designs

Free designs that fit the SE400

Every free design fits a 4×4 in hoop and downloads as PES with a free account.

All free designs

Free account

Make your first design for the SE400

Create a free account to digitize any image, try every setting and watch it sew. Choose a plan only when you want to download files.

  • Digitize and preview any image
  • Realistic stitch preview and sew-out
  • Download free ready-made designs
  • No credit card needed
FAQ

Brother SE400 questions

The quickest way to see what it does with your artwork is to try it. With a free account, digitizing and previewing cost nothing and take about a minute.

What hoop size is the Brother SE400?

Its largest embroidery field is 4 x 4 in (100 × 100 mm). Designs must fit inside the field of the hoop you use.

What file format does the Brother SE400 use?

It reads PES and DST files. Use PES for the best results: it keeps the thread colors.

How do I get designs onto the Brother SE400?

Use a computer over a cable (Cable from a PC (the machine shows up as a removable disk)). Send the .pes file from your computer, then pick the design on the machine.

Can I make my own designs for the Brother SE400?

Yes. Upload a logo, drawing or photo to Embrizo, set the size to fit the 4 x 4 in field and download a PES file for the machine. Digitizing and previewing are free with an account.

What can I embroider on the Brother SE400?

At this field size: left chest, right chest, back of the neck, upper sleeve, cap side, cap back and beanie cuff designs at their typical sizes. Larger placements like center chest or full front need a bigger field or a split design.

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Designs for your SE400, in seconds

Sign up free, upload any image and download a PES file sized for your machine.