Guide
How to use Poster Upscale AI
1. Drop your image
From the home page, drag your AI-generated image (PNG, JPG or WEBP, up to 25 MB) onto the upload zone, or click "Choose an image".
2. Pick a plan
Choose Starter, Pro or Studio depending on how many posters you produce each month. Credits never expire within the active month.
3. Choose paper size
A4 = 1 credit, A3 = 2 credits, A2 = 4 credits. Custom sizes are calculated by area.
4. Generate
Click Generate and watch the progress bar. Average runtime: 10–20 seconds for an A4 poster.
5. Download
Grab the print-ready PDF and PNG. Upload them straight to Printful, Gelato, Printify, or send to your local printer.
Stop getting your AI files rejected.
Real 300 DPI export accepted by Printful, Gelato and Etsy printers.
Files deleted after exportChoose a plan