File conversion and privacy blog
Notes on file formats, browser engineering, and keeping your data yours.
EngineeringJun 24, 2026 · 8 min read
How we run image codecs in your browser
A look inside the WebAssembly pipeline that converts your photos without a single byte leaving your machine.
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PrivacyJun 18 · 6 min
The real cost of “free” online convertersWhere your file actually goes when you hit upload — and what the fine print allows.
FormatsJun 11 · 4 min
HEIC, explained in two minutesWhy your iPhone photos won’t open on that old Windows laptop.
FormatsJun 4 · 5 min
WebP vs PNG: when to use whichA practical decision guide for designers and developers.
EngineeringMay 27 · 9 min
Shipping WASM codecs without the bloatHow we keep each tool under a two-second first load.
GuidesMay 20 · 5 min
Compress images without visible lossFinding the sweet spot on the quality slider, with examples.
FormatsMay 13 · 4 min
Why your camera shoots HEIC by defaultThe storage math behind Apple’s format switch.