Print file guides

Practical, no-fluff guides to getting designs printed sharp on Printful, Printify, DTF transfers and stickers: DPI, pixel sizes, transparent backgrounds and clean edges.

Printful & Printify File Requirements: DPI, Pixel Size and FormatWhat Printful and Printify need from a t-shirt print file: 150 vs 300 DPI, 3600x4800 and 4500x5400 px, PNG vs JPG, sRGB and transparency.How to Fix the White Box Behind Your DTF or POD DesignWhy designs print with a white box behind them on DTF and POD shirts, and how to remove the background cleanly in Canva, Photoshop, GIMP or Photopea.DPI vs Pixel Size: What a 12x16 Shirt Print Really NeedsDPI vs pixel size with real math for a 12x16 in shirt print: 3600x4800 px at 300 DPI, 1800x2400 at 150, and why your file's DPI tag doesn't matter.How to Make a Transparent PNG for DTF Without Soft or Halo EdgesWhy soft shadows, glows and anti-aliased fringes print badly on DTF transfers, and how to make a clean transparent PNG with hard edges and no white halo.Left-Chest Logo and Sticker Print Sizes (Inches and Pixels)Standard left-chest logo sizes for tees, hoodies and polos, plus common sticker sizes, with exact 300 DPI pixel dimensions and small-print tips.

Check your file before you upload it

Drop your design into the free PressReady check. It measures the real DPI at print size, flags white-box backgrounds and soft DTF edges, and shows a tee mockup. No signup.

Run the free check →