Sponsor: Mardo, the Best Markdown Viewer Ever Made

Do you read Markdown on your Mac? Plans, notes, READMEs, the files your AI writes for you all day? Then why not make every one of them a pleasure to read? Mardo is the best Markdown viewer ever made. Select any Markdown file in the Finder, press Space, and Quick Look shows it beautifully rendered — tables, code, diagrams, math, and all. Then watch it come alive. Leave that preview open while Claude Code, Codex, or any other app rewrites the file, and every change arrives in real time, right there in Quick Look, without moving you from the line you were reading. And when a file gets enormous, Mardo doesn’t flinch. It opens a 50 GB Markdown file in about an eighth of a second and lets you jump anywhere in it instantly. Mardo can do all this because it draws every page with its own engine, MarkEngineV3, which Floof Logic wrote from scratch for the Mac. There’s no web view anywhere inside, and it launches faster than Apple’s own text view. Nobody asked for a Markdown viewer this fast or…