Free tool: runs in your browser, no sign-up, nothing uploaded
Printable Wall Art Size Pack Maker
Upload one master file and download a zip of ratio files: 2:3, 3:4, 4:5, 11×14, and ISO A. Each file is sized up to 300 DPI and never upscaled past your source.
How it works
Upload your master file
Your highest-resolution version, processed locally in your browser.
Pick ratio families, adjust crops
All five are selected by default; adjust any crop if the auto-center isn't right.
Download the zip
One tagged JPEG per ratio family, plus a sizes.txt covering every size each file supports.
Checking your files before you list them
A ratio pack is only useful if every file in it actually prints sharp. Before you publish, run your largest file through the print resolution checker to confirm its DPI at the size you’re selling, or use the image cropper for print first if you need a manual crop with a live sharpness readout.
Frequently asked questions
Is my file uploaded to a server?▾
No. Every crop and export happens in your browser using canvas, and the zip is built and downloaded on your device. Your master file is never sent anywhere on this page.
Why one file per ratio instead of one file per size?▾
Every size inside a ratio family (4×6 through 24×36 for 2:3, for example) shares the same proportions, so one high-resolution file at the largest size prints sharp at every smaller size in that family too. The included sizes.txt lists exactly which sizes each file covers and at what quality.
Why isn't my file exactly 300 DPI at every size?▾
300 DPI at the family's largest size needs real source pixels. If your upload doesn't have enough resolution for that, the file is sized to the largest crop your source can support instead of being artificially upscaled, and the quality rating for each size tells you what to expect.
Why does my downloaded file say 72 or 96 DPI in some apps?▾
Browsers write a low default DPI tag to every canvas-exported JPEG regardless of its actual pixel size. This tool rewrites that tag to the file's real print resolution before it goes in the zip, so Photoshop, Preview, and print services read the correct number.
What's Etsy's file size limit for digital downloads?▾
Etsy allows up to 5 files per digital listing, 20 MB maximum per file (help.etsy.com's own guidance). The download warns you if any file in your pack is over that limit.
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