Picovert Blog
Image format guides, web performance deep dives, and the engineering behind a privacy-first toolkit.
PNG vs WebP: Which Should You Use in 2026?
PNG dominated the web for two decades. WebP arrived in 2010 and now ships a 25-35% smaller file at the same quality. Here's when each format wins, and how to pick.
How to Convert PNG to WebP: A Practical Guide for 2026
Step-by-step instructions for converting PNG to WebP — single files, bulk batches, lossy vs lossless trade-offs, transparency edge cases, and how to verify the output looks right.
AVIF vs WebP vs JPEG XL: The Image Format Showdown
Three modern image formats are competing for the post-JPEG web. AVIF wins on compression. WebP wins on support. JPEG XL is the technically best but politically stuck. Here's how to choose.
HEIC to JPG: Why iPhone Photos Won't Open on Windows (And How to Fix It)
Your iPhone shoots HEIC by default. Windows won't open it without a paid codec. Five ways to convert HEIC to JPG — including one that runs entirely in your browser, with no upload.
Why Convert GIF to MP4? The Performance Case
GIF was state of the art in 1989. In 2026, an MP4 of the same animation is 10–20x smaller, plays smoother, and uses less battery. Here's the math, and when to convert.
How I Improved My Lighthouse Score from 64 to 92 by Converting GIFs to MP4
A real before/after walkthrough of replacing animated GIFs with autoplay-loop-muted MP4 on a marketing site. LCP, total payload, and battery use — every metric improved.
Are Online Image Converters Safe? What Happens to Your Photos After You Upload
Most 'free' online image converters upload your file to a server, store it for hours or days, and may train models on it. Here's how to tell which ones are safe — and how browser-only conversion actually works.
Image SEO Checklist: 12 Things Most Sites Get Wrong
Image search drives 20-30% of total search traffic for many sites. Most miss easy wins — descriptive filenames, correct dimensions, lazy loading, structured data. Here's the full checklist.