Online DST Viewer
Open and preview embroidery DST files right in your browser. See realistic stitches, colors, design size, stitch count and estimated machine runtime — free, with nothing to install.
Your file is read locally in your browser to render the preview.
How it works
View a DST file in 3 steps
Upload your DST file
Drag a .dst file into the viewer or click Upload — it opens instantly in your browser.
Preview & customize
Switch fabrics, recolor threads, toggle jumps and play the stitch animation.
Read the details
Check stitch count, colors, size and estimated machine runtime before you sew.
Features
Everything you need to preview embroidery files
True-to-thread preview
Render DST stitches with realistic thread shading on studio, t-shirt, cap, denim, towel and felt backgrounds.
Stitch-by-stitch Simulation
Animate the design the way the machine sews it, and estimate runtime from your machine's stitches-per-minute.
Recolor every thread
Tap any color block to recolor it and preview alternate thread combinations before you stitch.
Design details
Read stitch count, color count and exact design size in millimeters straight from the DST header.
Jumps & stitch points
Toggle jump stitches, stitch points and the stitch line to inspect pathing and trims.
Private & in-browser
Files you drop are parsed locally in your browser — nothing is uploaded to view a design.
Mobile friendly
Open, preview, measure and export DST designs on any phone or tablet — the viewer is fully touch-friendly and responsive.
Export to PNG & PDF
Convert your design to a high-quality PNG image, or export a branded PDF spec sheet with stitch count, colors, size and thread length.
Verify on real fabrics
Check the stitch-out against studio, t-shirt, cap, denim, towel and felt backgrounds to confirm how it reads on different garments.
What is a DST file?
A DST file (Tajima DST) is the most common embroidery machine format. It stores the stitch coordinates, jump stitches, trims and color-change commands that drive a commercial embroidery machine. Because it only stores stitches — not the original artwork — you need a DST viewer to actually see what the design looks like.
The format was created by Tajima, one of the oldest and most respected names in industrial embroidery, and it has since become the universal standard for commercial machines. A DST is deliberately simple: it is a compact stream of relative stitch movements, jumps and function codes. That simplicity is exactly why it is so widely supported — but it is also why a raw DST file is impossible to read without a viewer. Open one in a text editor and you will see nothing but binary data, and even most image programs cannot render it, because there is no picture stored inside, only instructions for a needle.
One important consequence of that design is that a DST does not store thread colors. It records when to change color but not which color to use, so a design will often import as a single flat block until you assign threads to each section. Our viewer handles this for you: it separates the color blocks automatically and lets you recolor each one, so you can rebuild the intended look or experiment with new thread combinations in seconds.
Our online DST viewer reads the file directly in your browser and reconstructs the design with a realistic, true-to-thread preview. You can inspect the stitch path, recolor threads, switch the simulated fabric, and read the design size and stitch count before sending it to your machine — no desktop digitizing software required. Previewing a design first is one of the simplest ways to avoid costly mistakes: you can confirm the size fits your hoop, check that small text and fine detail will actually stitch cleanly, spot excessive stitch density that could pucker the fabric, and verify the color order before you ever thread the machine.
Whether you are a professional digitizer checking a client's file, an embroidery shop verifying a design before a production run, or a hobbyist who just downloaded a DST and wants to see what it looks like, an online viewer removes the need for expensive desktop software. Everything runs in your browser, on any device, for free — so you can open, inspect, measure and export a DST design anywhere, in seconds.
Benefits
Why use our online DST viewer
Fast, free and private — built to help you check a design before you commit thread to fabric.
Instant, in your browser
Your DST opens the moment you drop it in — there is no upload queue, no processing wait and no software to install before you can see the design.
Free with no login
View, measure and export as many DST files as you like without an account, a subscription or a watermark stamped across the preview.
See it before you sew it
A true-to-thread preview shows exactly how the stitches will read on fabric, so you catch color, density and sizing problems before wasting thread and stabilizer.
Know the size and stitch count
Read the exact design size in millimeters, total stitch count and color count straight from the DST header to confirm it fits your hoop and garment.
Works on any device
The viewer runs entirely in the browser on desktop, tablet and phone — no plugins, no app store and no operating-system restrictions.
Estimate machine runtime
Enter your machine's stitches-per-minute and the viewer estimates how long the design will take to sew, so you can plan production and quote jobs accurately.
Supported machines
DST works with virtually every embroidery machine
As the universal commercial standard, DST loads on home and commercial machines from almost every brand.
Tajima & commercial heads
DST is the native Tajima format and the universal commercial standard, so files open cleanly for Tajima, Barudan, SWF, Ricoma and most multi-head machines.
Brother & Babylock
Brother and Babylock machines read DST widely. View the design here first, then export or convert to PES if your model prefers its native format.
Melco, Bernina & Pfaff
These brands accept DST across most models, so you can preview a design in the viewer and be confident it will load on the machine.
Janome, Singer & more
Almost every home and commercial embroidery machine or design program that reads a standard DST file can open the designs you preview here.
Need a different format? Preview your design here, then use the DST ⇄ PES converter to export the format your machine expects.
Common problems
Troubleshooting & tips
Quick answers to the issues people hit most when opening and previewing DST files.
The DST opens as a solid block of color
A DST only stores stitches, not thread colors, so a single-color import is normal. Use the recolor tool to assign a color to each block, or switch fabrics to see how the stitches read.
The design looks smaller or larger than expected
The viewer reads the true size in millimeters from the file header. If it seems off, the DST was likely digitized at that size — check the measurements before hooping so it fits your garment.
I see lots of long jump lines across the design
Those are jump stitches between sections. Toggle jump stitches off to preview the finished look, and expect your machine to trim them automatically if trims are enabled in the file.
My file will not open in the viewer
Make sure the file is a genuine .dst (Tajima) file and not a renamed PES, EXP or image. Try re-exporting a clean DST from your design software, then drop it into the viewer again.
The stitch count seems very high
Dense fills and small lettering add up quickly. A high stitch count can cause long run times and thread build-up — preview it here first so you can simplify the design before sewing.
DST viewer questions
DST is the Tajima embroidery format — the most widely used stitch file type for commercial embroidery machines. It stores stitch coordinates, jumps, trims and color changes that tell a machine how to sew a design.
Upload or drag your .dst file into the EmbroidAI online DST viewer above. The design renders instantly in your browser with a true-to-thread stitch preview — no software to install.
Yes. Viewing and previewing DST files is completely free and does not require an account. Sign in for additional tools like saving designs to your library and exporting other formats.
No. The viewer runs entirely in your web browser on desktop and mobile. Your file is parsed locally just to display it.
Yes. The viewer reads the DST header and shows the total stitch count, number of colors and the exact design size in millimeters, plus an estimated machine runtime.
Yes. You can export the current preview as a high-quality PNG image, or download a branded PDF spec sheet that includes the design render along with stitch count, colors, size and total thread length.
Yes. The viewer is fully responsive and touch-friendly, so you can open, preview, measure and export DST files on a phone or tablet — no app to install.
A DST file stores stitch coordinates and color-change commands but not the actual thread colors. That is why designs often import in one color. Use the recolor tool in the viewer to assign a thread color to each block and preview alternate combinations before you sew.
Yes. Tap any color block to change its thread color and instantly see the design update. This lets you test different thread combinations and match your garment before committing to a stitch-out.
DST is the universal commercial embroidery format. It is native to Tajima and read by Barudan, SWF, Ricoma, Melco and most multi-head commercial machines, and it is widely supported by home machines from Brother, Babylock, Bernina, Janome, Pfaff and Singer.
Jump stitches are travel moves the needle makes between separate parts of a design without stitching. The viewer lets you toggle them on or off so you can inspect the pathing and trims, or preview the clean finished look without the jump lines.
Yes. Enter your machine's stitches-per-minute and the viewer estimates the machine runtime from the total stitch count, which is useful for planning production and quoting embroidery jobs.
No. When you drop a file into the viewer it is parsed locally in your browser purely to render the preview. The design is not sent to or stored on a server, so your files stay private.
This tool focuses on DST files. EmbroidAI also offers a dedicated PES viewer and format converters, so you can preview PES designs or convert between DST and PES depending on which machine you are stitching on.
Want to do more than view?
Sign in to save designs to your library, digitize artwork with AI and export to DST, PES, EXP and JEF.