Markdown, side by side.

Double-click a Markdown file and read it beautifully rendered — GitHub-accurate, fast, and native. Side-by-side editing is on the way.

Download for Mac See it in action

In active development. macOS, Windows, and Linux.

Hashpane

A fast, focused Markdown reader. Double-click a file and read it beautifully rendered.

GitHub-accurate rendering — code, tables, and math
Copy a selection as formatted text — or as Markdown
Light, dark, and system themes

$ open notes.md

Markdown, side by side — coming in 1.0.

One job, done precisely.

Open and read
Double-click a Markdown file and it opens instantly, beautifully rendered. No setup, no clutter.
GFM-correct
What you see is what GitHub shows — tables, task lists, fenced code, Mermaid, and math.
Fast & native
Opens instantly, feels like it belongs on your OS, and is keyboard-first throughout.