Writing

Notes on modern image formats.

Practical posts on JPEG XL, AVIF, WebP, and the Mac workflow for smaller files. New posts ship roughly every other week.

Compress images for web, a Mac developer's 2026 workflow

Pick the right format, get the right quality, ship smaller files. A practical workflow that takes about 90 seconds per batch.

The free Mac image optimizer everyone uses has been stuck at JPEG and PNG for years. Here is the history, and what to use instead.

XL Converter has no macOS build. Squoosh runs in a browser. Here is a native Mac path to AVIF that ships in the Mac App Store.

Re-encode a JPEG as JXL, save ~20% storage, decode back to a pixel-perfect JPEG later. How it works and when to use it.

Three modern image formats. Which one should you reach for in 2026? Hands-on comparison from a Mac compressor's perspective.