Image Optimization & Image Tools Guide
Practical guides on compressing, resizing, converting, and optimizing images for websites.
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By IMG Free Toolkit
Compress images on a Mac with Preview, Finder Quick Actions, the Photos app or a browser tool. Step-by-step, including how to hit an exact KB limit.
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By IMG Free Toolkit
JPG and JPEG are the same image format with different extensions. Learn why both exist, whether renaming is safe, and how to fix uploads that reject one.
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Shopify’s CDN often delivers a resized WebP even when you uploaded a JPG. Prepare the master file, then use the format, width, and alt-text guides.
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By IMG Free Toolkit
Passport photo size dimensions by country: US 2×2 in, UK/EU 35×45 mm, India often 413×531 px. See the chart, then resize safely for uploads.
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By IMG Free Toolkit
Raw camera exports make Shopify product pages slow to load. Follow this step-by-step image optimization workflow to resize, convert, and compress your Shopify catalog for free with private, in-browser tools, then let Shopify handle delivery to each shopper's browser.
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By IMG Free Toolkit
Convert iPhone HEIC photos to JPG on Windows or Mac with Preview, Paint, or a free browser tool—plus how to stop HEIC for good.
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By IMG Free Toolkit
Practical email newsletter image size specs: ~600px width, optional 1200px retina sources, 100–200KB JPEG targets, and when to use PNG—plus a resize-then-compress workflow.
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By IMG Free Toolkit
CEAC often rejects phone photos over 240KB—even when the crop looks fine. Here’s why “too large” happens and how to get a square JPEG that uploads.
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