Why I convert PNG to WebP (and the one time I don't)
PNG is a brilliant format to edit in and a wasteful one to ship. Here's what WebP actually saves you, where it saves you nothing, and the single rule I never break.
webppngimage formatsperformance
Blog
Notes on image formats, compression, and doing more in your browser.
How in-browser image conversion actually works (and why I built it that way)
"Your files never leave your device" is an architecture, not a marketing line. Here's how WASM does the conversion right in your browser, and the one real limit it has.
privacybrowserimage formats
SVG to PNG — when you genuinely need pixels (and when you shouldn't)
An SVG scales forever and stays tiny, so rasterizing it feels like a downgrade. Sometimes it is. Here's when you actually need PNG pixels out of a vector, and when to leave the SVG alone.
svgpngtransparency
Why your screenshots are 2 MB, and how to shrink them 60–90%
A screenshot of a mostly-empty dashboard has no business being 2 MB. Here's why PNG does that to you, and how converting to WebP cuts it 60–90% with nothing visible lost.
pngwebpscreenshotscompression
AVIF vs WebP — the smaller file isn't always the right one
AVIF usually beats WebP on size, sometimes by 20% or more. Here's what that extra compression costs you in encode time and edge cases, and when I still reach for WebP.
avifwebpcompressionperformance
PNG or JPG? The ten-year rule I use to decide
Lossless versus lossy, edges versus photographs, transparency versus none. One simple question tells you which format a file should be — with a real size table to prove it.
pngjpgimage formatslosslesslossy
Why your iPhone photos are HEIC (and when to just make them JPG)
HEIC is a genuinely better format that half the web still can't open. Here's why Apple picked it, what you actually give up converting to JPG, and when I don't bother.
heicjpgimage formatsphotography