A calmer way to read markdown

Drop in a .md file and read it the way it was meant to be read — clean typography, live outline, code, diagrams and math, all rendered right here. Nothing leaves your browser.

Drop files anywhere

GFM tables & task lists

Code highlighting

Mermaid diagrams

KaTeX math

⌘O open · ⌘F find · ? help

Drop to read.md · .markdown · .mdx · .txt

Keyboard shortcuts

Folio reads markdown locally — your files never leave this device.

Open file⌘O

Find in document⌘F

Next / previous match⏎⇧⏎

Paste markdown from clipboard⌘V

Toggle themeT

Toggle sidebar\

Print / save as PDF⌘P

Close / dismissEsc