Question
What file specifications should I use for a large format poster?
Answer
For a large-format poster, build the file at the final print size and export a print-ready PDF so the press reproduces it cleanly with no scaling surprises.
| Setting | Recommended |
|---|---|
| File format | Print-ready PDF |
| Color mode | CMYK |
| Resolution | 300 DPI at final size |
| Bleed | 0.125" (1/8") on every side |
| Safe zone | Keep text and logos 0.125" inside the trim |
| Crop marks | Optional, artwork is trimmed to the finished size |
Very large prints viewed from a distance can be built at a lower effective resolution, down to around 150 DPI at final size, without looking soft. Match your DPI to the viewing distance, keep close-up pieces near 300 DPI, and confirm any size-specific requirements before you export.
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