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How to print AI-generated artwork (ChatGPT, Gemini)?

Images from ChatGPT, Gemini or Midjourney can be printed in good quality — as long as you generate them at the right size and resolution. Here is how to do it and what to expect from the colors.

Why a file from an AI chat is not yet a print file

Image generators (ChatGPT, Gemini, Midjourney) produce RGB raster images — usually PNG or JPG sized for screens, not for print. Such a file can be printed well if you take care of three things: the right pixel dimensions (with bleed), sufficient resolution, and realistic expectations about colors after conversion to the print color space (CMYK).

Generate the image at the right size

The most important rule: generate at the target proportions and size from the start. Add 3 mm of bleed on each side of the product size and convert to pixels at 300 DPI:

FormatTrim sizePixels (with bleed, 300 DPI)
wizytówka / Visitenkarte / business card / vizitinė85 × 54 mm1075 × 709 px
A6105 × 148 mm1312 × 1819 px
DL99 × 210 mm1241 × 2552 px
A5148 × 210 mm1819 × 2552 px
A4210 × 297 mm2552 × 3579 px

Formula for other sizes: (size in mm + 6 mm) ÷ 25.4 × 300 = pixels. Keep important elements (text, logo) at least 6 mm away from the file edges — the outer strip may be trimmed off.

Connect your AI assistant to barwaprint.eu

Our shop provides tools for AI assistants (MCP). Once the connector is added, the assistant fetches pixel dimensions for the chosen product, checks the generated file and calculates the price. Details: AI integrations.

What an AI generator cannot do

  • Deep black — black from a generator is composed of all inks. Large black areas will not print as deep as 100% K black from a vector design.
  • Small text — lettering below ~8 pt generated inside the image will be blurry. Add text separately or order a graphic design.
  • Gradients — smooth transitions may show banding.
  • Dieline — the image has no cut line; contour-cut products require a design with a cutting path.

Upload the file and check the preview

You upload PNG, JPG and TIFF in your order just like a PDF. The system fits the image to the ordered format, shows a preview with cut and safety lines, and warns you if the resolution is too low. Printing starts only after you approve the preview.

Frequently asked questions