Batch Resize Images: 5 Free Methods Compared

Batch Resize Images: 5 Free Methods Compared You shot 200 product photos. Your client needs them at three different sizes. Resizing them one by one is not an option. Here's how to batch resize images using five free methods — from browser-based tools to CLI commands — so you can pick the right approach for your workflow. Why Batch Resize? The obvious answer is speed, but there are specific scenarios where batch resizing pays off more than others: E-commerce product photos. Shopify, WooCommerce, and Amazon each have different max dimensions. Processing 300 SKU images one at a time is a half-day job. Batch processing takes minutes. Social media scheduling. Instagram, LinkedIn, and Twitter all have different aspect ratios. Scheduling a week of posts means producing images at three sizes before you start. Email campaigns. Most email clients cap image width at 600px. Batch resize once, then drop into your template. Website performance. Oversized images are the most common cause of slow page