Free · Native macOS · Fully offline

Markdown, rendered beautifully.

A blazing-fast, 100% native Markdown reader for Mac. GitHub-flavored rendering, offline syntax highlighting, live Mermaid diagrams, wiki-links and backlinks, with no accounts and no telemetry.

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Requires macOS 14+ · Apple silicon & Intel

What’s inside

Everything a reader needs.
Nothing it doesn’t.

  • GitHub-flavored rendering

    Tables, task lists, and fenced code render the way GitHub renders them, dark-mode aware, instantly.

  • Offline syntax highlighting

    Three dozen languages highlighted locally, no network, no CDN, no tracking.

  • Live Mermaid diagrams

    Flowcharts, sequences, and graphs render live in strict mode, fully sandboxed.

  • Wiki-links & backlinks

    [[Links]] resolve across every pinned root, with a backlinks pane showing who links here.

  • Keyboard-first & Vim

    Quick Open, cross-root search, and full Vim mode, nearly everything without the mouse.

  • 100% private

    Pure SwiftUI, App Sandboxed, no telemetry. Your files never leave your Mac.

  • LaTeX & KaTeX math

    Display and inline equations through KaTeX, plus \ce{} chemistry and \pu{} units. See it

    eiπ+1=0e^{i\pi} + 1 = 0

New · LaTeX math

Equations that just render.

Write $$…$$ or \[…\] for display math and \(…\) inline, and KaTeX typesets it as you type — vendored and fully offline, like everything else.

  • \ce{} chemistry · \pu{} units
  • MathML for VoiceOver
  • Copies back as LaTeX

Source

## Math
 
\[
\int_{-\infty}^{\infty} e^{-x^2}\,dx = \sqrt{\pi}
\]
 
A sentence carries
\(a^2 + b^2 = c^2\) inline.
 
Chemistry: \(\ce{H2SO4}\)
 
| Name | Equation |
|---|---|
| Euler | \(e^{i\theta} = \cos\theta + i\sin\theta\) |

Preview

Math

∫−∞∞e−x2 dx=π\int_{-\infty}^{\infty} e^{-x^2}\,dx = \sqrt{\pi}

A sentence carries a2+b2=c2a^2 + b^2 = c^2 inline.

Chemistry: HX2SOX4\ce{H2SO4}

Name Equation
Euler eiθ=cos⁡θ+isin⁡θe^{i\theta} = \cos\theta + i\sin\theta
Gauss ∑k=1nk=n(n+1)2\sum_{k=1}^{n} k = \frac{n(n+1)}{2}

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Download for Mac

Requires macOS 14+