How to resize and pad images for E-commerce and Social Media
Resize by exact pixels or percentage scale. Make photos square without cropping, lock aspect ratios, and generate perfectly framed Amazon and Shopify product listings.
Batch Resize by Percentage or Pixels
Most basic image resizers force you to type in exact pixel dimensions. But what if you have a folder of 100 different photos of varying sizes, and you just want to make all of them 50% smaller?
GASO Studio gives you complete control. Toggle between our precision Pixels mode to hit exact widths and heights, or use our Percentage slider to dynamically scale down an entire batch of images proportionally in one click.
How to make a photo square without stretching it
This is the most common problem for Instagram creators and online merchants: You took a beautiful rectangular photo, but the platform requires a perfect 1:1 square. If you crop it, you lose important parts of your image. If you stretch it, the subject looks distorted.
Our Fit (Add Margin) mode solves this mathematically. It calculates the exact center of your new canvas, shrinks your image to fit inside without losing a single pixel, and fills the remaining empty space with a clean background padding.
Optimizing Product Photos for Amazon, Shopify & Etsy
Global e-commerce platforms have strict rules for product photography. Amazon, for example, highly recommends images be at least 2000 x 2000 pixels to enable the high-resolution hover-to-zoom feature. Furthermore, the product must be set against a pure white background.
With GASO Studio, you simply select the Amazon Product (1:1) preset, click the Solid White background padding option, and drop your photos in. Our engine will instantly generate compliant, web-ready product shots that increase conversion rates. Once resized, if your platform requires a strict file size limit, you can run the files through our Smart Compress tool to hit the exact KB target.
100% Private: Zero Server Uploads
Whether you are editing unreleased product photos or personal family pictures, uploading them to a random cloud server is a massive security risk. GASO Studio runs completely locally in your browser using WebAssembly technology. Your images are resized using your own device's CPU, guaranteeing absolute privacy and instantaneous processing speeds.