Dowwwn

A browser for a simpler web.

Dowwwn is a web browser for the Mac that reads pages written in Markdown. It asks each server for text/markdown, and shows what comes back as a calm, readable page: text, links, pictures, tables, formulas and drawings. No HTML, no JavaScript, no pop-ups.

Download Dowwwn 0.1.4 for Mac — a beta version, notarized by Apple, for macOS 27.

Maths, set as TeX sets them

Write LaTeX between dollars, and Dowwwn typesets it with its own engine, made to match TeX: fractions, matrices, aligned equations, braces, and chemistry with \ce{…}.

Maxwell's and Schrödinger's equations, attention, Ramanujan's series and the Haber process, typeset by Dowwwn

This one is not a picture: it is in this page's Markdown.

$\int_{-\infty}^{+\infty} e^{-x^2}\,dx = \sqrt{\pi}$

Drawings, written in the page

An ```svg block in the Markdown is drawn, not printed, by Dowwwn's own SVG renderer: gradients, text, filters, animation, light and dark. The logo at the top of this page is one: a few lines of this very file.

A hand warmer's inner pouch and a grain of iron touching a grain of carbon, drawn in SVG between chemical equations, in dark mode

Read, and write

Pages can answer back. Sign in to a site that allows it, edit the Markdown, and Dowwwn saves it to the server. Select a few words and press ⌘K: they become a link to a new page.

For people who publish

Serve Markdown when it is asked for: answer Accept: text/markdown with the page's Markdown, or point to it from your HTML:

<link rel="alternate" type="text/markdown" href="/index.md">

This site does both. A browser gets HTML made from index.md; Dowwwn gets index.md itself.

Made by Mirific Labs. Mac only, for now. Write to hello@dowwwn.com.