Resize an image and export it as PNG, JPG or WebP, right in your browser. Nothing is uploaded.
Suppliers want big files in the right format. PNG keeps a transparent background, which is what you want for shirts and mugs so the product color shows through. JPG is smaller but always has a solid background, so avoid it for cutout designs. This tool resizes and converts in your browser, so your art never leaves your device. Resize down to meet a file-size limit, but do not size up past the original or it will blur.
Yes, if you export as PNG or WebP. JPG cannot hold transparency, so it adds a white background.
No. Resizing and conversion happen entirely in your browser. Nothing is sent to a server.
You can, but it will look soft. Upscaling adds pixels, not detail. Start from the largest original you have.