A Vector File Gives the Best Results in Promotional Product Branding
If you’re ordering branded promotional products—whether it’s custom advertising tents, t-shirts, mugs, pens, or banners—the quality of your logo or design matters. One of the biggest mistakes people make is submitting the wrong type of file, which can lead to blurry prints, extra design fees, or a final product that just doesn’t look right.
The best way to get crisp, clean, and professional-looking results is to use vector files. Unlike pixel-based (raster) images, vector graphics are made of lines and curves that can be resized without losing quality. In this article, we’ll go over how to make sure your digital art files are vector and why that’s so important for branding promotional products.
What’s a Vector File?
A vector file is a type of image that stays sharp no matter how big or small you make it. It’s created using paths and points instead of tiny squares (pixels), so you won’t get any blurriness or distortion when you resize it.
Common vector file formats include:
- AI (Adobe Illustrator)
- EPS (Encapsulated PostScript)
- SVG (Scalable Vector Graphics)
- PDF (Portable Document Format) – if it contains vector artwork
On the other hand, raster files (like JPEG, PNG, GIF, and BMP) are made up of pixels like pictures you take on your camera. If you try to enlarge them too much, they become blurry and pixelated—not ideal for printing on different promotional products.
How to Check If Your File is a Vector File
Before sending your art file(s) to a promotional product distributor or print shop, here’s how to make sure it’s actually a vector file:
1. Check the File Extension
If your file ends in .ai, .eps, or .svg, it’s probably a vector file. PDFs can be vector, too, but not always—so you might need to double-check.
2. Open it in a Vector Program
Open the file in Adobe Illustrator, CorelDRAW, Affinity Designer or Inkscape. If you can click on individual shapes, lines, or letters and move them around, it’s a vector file. If everything is one flat image, it’s probably raster.
3. Zoom in Really Close
A quick test: zoom in as far as you can. If the edges stay sharp and smooth, it’s a vector file. If they get fuzzy or pixelated, it’s a raster file.

Raster File

Vector File
4. Look at the Layers
In Illustrator, open the Layers panel. If you see separate layers with editable shapes and paths, your file is vector. If there’s just one flat image, it’s not.
5. Convert Text to Outlines
If your design has text, make sure it’s converted to outlines. That way, it won’t change or disappear when opened on another computer. In Illustrator, select the text, go to Type -> Create Outlines, and save the file.
Why Vector Files Matter for Promotional Products
1. Sharp, Professional Printing
Vector files make sure your design looks crisp, whether it’s on a tiny pen or a massive trade show banner.
2. Resizing Without Losing Quality
Need your logo on both a business card and a billboard? No problem—vector files scale perfectly.
3. Easy Colour Adjustments
Vector graphics make it easy to tweak colours for different printing methods, like screen printing, embroidery, or engraving.
4. Works with All Printing Methods
Most print shops require vector files because they work best for embroidery, laser engraving, and other branding techniques. Sending the right file saves time and avoids any back-and-forth.
5. No Extra Artwork Fees
If you send a raster image instead of a vector, the print shop may need to recreate it—which means extra costs and possible design changes.
How to Convert a Raster Image to Vector
If your logo or design is only available as a raster image (like a JPEG or PNG), you’ll need to convert it to vector format. Here’s how:
1. Use Adobe Illustrator’s Image Trace Tool
- Open your image in Illustrator.
- Select it and go to Window -> Image Trace.
- Adjust the settings, then click Expand to turn it into vector paths.
2. Manually Redraw It
- If Image Trace doesn’t work well, you might need to trace it manually using Illustrator’s Pen Tool.
3. Hire a Graphic Designer
- If your design is detailed or complex, it’s best to have a professional recreate it in vector format.
Final Thoughts
Making sure your digital art files are vector is one of the easiest ways to guarantee your promotional products look great. Vector files ensure sharp printing, work at any size, and are compatible with all branding methods.
Before sending your artwork to a print shop, take a few minutes to check that it’s a vector file—it could save you time, money, and frustration in the long run.