Resources
Plain-English guides to image formats, sizing and optimization — researched against primary sources, dated, and paired with the tools to act on them.
Responsive Images Explained: srcset, sizes and <picture>
How srcset width descriptors, the sizes attribute and the picture element work together to serve the right image to every screen — without layout shift.
9 min read · Updated July 13, 2026
How to Create a Complete Favicon Package
Every file a modern favicon package needs — favicon.ico, PNG sizes, Apple touch icon, PWA and maskable icons — plus the exact HTML tags and manifest JSON.
8 min read · Updated July 13, 2026
What Your Photos Reveal: EXIF Metadata and Privacy
Photos can carry GPS coordinates, timestamps, device details and more in EXIF metadata. Learn what is stored, the realistic risks, and how to remove it locally.
8 min read · Updated July 13, 2026
What Image DPI Actually Means (and When It Matters)
DPI confuses almost everyone. Learn what the number really controls, why 300 DPI matters for print but not screens, and how many pixels each print size needs.
7 min read · Updated July 13, 2026
How to Prepare Images for a Website: A Practical Checklist
A practical checklist for website images: pick the right format, resize to display size, compress hard, strip metadata, and write markup that loads fast.
8 min read · Updated July 13, 2026
Recommended Image Sizes for Every Major Social Platform (2026)
Current 2026 image sizes for Instagram, Facebook, LinkedIn, YouTube, TikTok, X, Discord, and Twitch — one reference table plus tips for clean uploads.
7 min read · Updated July 13, 2026
How Exact-Size Image Compression Works
Inside exact-size image compression: format choice, a binary search over encoder quality, and dimension scaling that lands at or under your KB target.
6 min read · Updated July 13, 2026
Image Dimensions vs File Size: What's the Difference?
Dimensions are pixels; file size is bytes. Learn how the two relate, why they often disagree, and whether resizing or compressing fixes your problem.
6 min read · Updated July 13, 2026
How to Reduce Image File Size Without Ruining Quality
Practical steps to shrink image file size while keeping photos sharp: resize first, pick the right format, tune quality, and strip metadata — no uploads.
7 min read · Updated July 13, 2026
PNG vs JPEG vs WebP vs AVIF: Which Image Format Should You Use?
Compare PNG, JPEG, WebP, and AVIF: compression, transparency, browser support, and file size — with a simple table and clear advice for every use case.
7 min read · Updated July 13, 2026