What is 300 DPI and why does it matter for POD?

300 DPI (dots per inch) is the standard print resolution for high-quality print-on-demand products. Images below 300 DPI may appear blurry or pixelated when printed on t-shirts, posters, mugs, and other POD items.

Is my image uploaded to any server?

No. All processing happens entirely in your browser using JavaScript and Web Workers. Your images never leave your device. This tool is 100% private.

What file formats are supported?

You can upload PNG, JPEG, and WebP images up to 20MB each. The tool can output in any of these three formats with adjustable quality settings for JPEG and WebP.

Is this tool free to use?

Yes, POD DPI Resizer is completely free. No login or registration required. The tool may display non-personalized advertisements.

Which POD platforms does this tool support?

The tool includes built-in templates for Printful, Printify, Redbubble, and Amazon Merch. You can also enter custom dimensions manually.

Can I upscale multiple images at once?

Yes. You can upload multiple images and they will all be processed with the same settings. If you upload 2 or more images, they are packaged into a ZIP file for easy download.

Free 300 DPI Image Upscaler for Print-on-Demand

Name: POD DPI Resizer
Author: POD DPI Resizer

Upload your POD design and get a print-ready 300 DPI file — upscaled, cropped, and formatted for your platform. All processing happens in your browser, nothing is uploaded to any server.

Perfect for Etsy, Printful, Printify, Redbubble, and Amazon Merch sellers