Guides
Guides for print-ready shirt files.
Plain answers to the questions that come up between a design and a shirt: what size, which file, why it prints blurry, and what to check before you upload. Every number about another platform links to that platform's own page.
T-shirt design size for print on demand: 4500 × 5400 px explained
Why the standard canvas is 15 × 18 inches at 300 dpi, what Amazon Merch, Printful and Printify ask for, and what to do with a small file.
Read the guidePNG vs SVG for print on demand: which file to upload
Upload the PNG, keep the SVG: why, and the cases where the answer changes.
Read the guideHow to fix a blurry or pixelated shirt design
Check a file's real resolution in ten seconds, then pick the right fix of four.
Read the guideDTG print file checklist: resolution, transparency and color
Ten checks before you upload, including the soft-glow mistake most sellers miss.
Read the guideHow to convert a JPG logo to a vector file
Ask for the original first; if it's gone, three ways to make a new vector logo.
Read the guide