---
name: "FileRouter"
subtitle: "Open With, except you write the rules"
date: 2026-08-07
shortlist: true
link: "https://brettterpstra.com/2026/08/05/one-more-for-the-road-filerouter/"
linkText: "brettterpstra.com"
source: "Brett Terpstra"
topics: [macos-apps]
tags: [menu-bar, markdown, automation, brett-terpstra]
description: "A menu-bar Mac app that intercepts double-clicks on file types you assign and routes them to the right editor by rule — Choosy, but for files."
---

macOS gives you one default app per file type, forever, until you dig through Get Info again. FileRouter claims the double-click for the types you hand it and routes by rule instead — filename, extension, parent folder — so Drafts notes open in one editor, blog drafts in another, and a "just peek" opens Marked. It can also open several apps at once, which is the case Get Info has never had an answer for. Mac App Store or direct.
