PixelsKits Engineering & Image Guides
In-depth tutorials, benchmarks, and best practices for image compression, file formats, and Core Web Vitals.
How to Compress Images Without Losing Quality in 2026
Discover the science of lossy vs lossless image compression and learn the exact settings to shrink file sizes by up to 75% while keeping photos sharp.
PNG vs JPG vs WebP: Which Image Format Should You Choose?
A definitive comparison guide to the web’s three dominant image formats: file size, transparency support, browser compatibility, and best use cases.
The Ultimate Social Media Image Dimensions Cheat Sheet for 2026
Never post a blurry or awkwardly cropped image again. Here are the exact pixel dimensions for Instagram, YouTube, Facebook, LinkedIn, and X.
Why Browser-Based Image Tools Are More Private Than Cloud Uploads
Learn how client-side image processing keeps IDs, receipts, and personal photos off remote servers—and when you should avoid upload-based converters.
How to Reduce Image Size for Email and WhatsApp Without Looking Blurry
Practical settings to shrink photos for Gmail, Outlook, and WhatsApp so they send quickly while staying sharp on phone screens.
WebP for Websites: When to Use It (and When JPG Still Wins)
A practical guide to WebP for faster pages, Core Web Vitals, and when you should still export classic JPG or PNG.
How to Compress Images for WhatsApp Without Looking Blurry
Exact resize and quality settings so WhatsApp sends stay sharp on phones while staying under chat-friendly file sizes.
HEIC to JPG on iPhone (No App Install) — Share Photos Anywhere
Why iPhones save HEIC, when Windows and websites reject it, and how to convert to JPG privately in the browser.
Instagram Reels and Stories Image Size Guide (2026)
Exact pixel sizes for Reels covers, Stories, and feed posts so Instagram does not crop or blur your visuals.