# sbarex/QLMarkdown

macOS Quick Look extension for Markdown files.

Repository: https://github.com/sbarex/QLMarkdown
Canonical: https://ross.abutalabs.com/products/qlmarkdown
Language: C++
License: GPL-3.0
License Family: copyleft
Topics: quicklook-extension, quicklook-plugin, markdown-viewer
Last push: 2026-07-31T10:55:31+00:00

## Health v2 (maintenance only)
Score: 90/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 95, release rhythm 78, longevity 100
- inputs: {"age_days": 2076, "days_push": 33, "days_rel": 64, "gap_med": 67.5, "n_releases_24m": 7}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 3441, forks 100 (observed 2026-08-28T04:08:05.110856+00:00)

## What it is
QLMarkdown is a macOS application providing a Quick Look extension for previewing Markdown files, plus a CLI and Shortcut extension for converting Markdown to HTML. It supports themes, syntax highlighting, Mermaid diagrams, math expressions, and various Markdown flavors like Rmd, MDX, and Quarto.

## Use cases
- preview markdown files in macOS Finder with Quick Look
- convert markdown files to html from the command line
- render mermaid diagrams in markdown previews
- customize markdown preview themes and extensions
- convert markdown to html using macOS Shortcuts

## When to choose
- you want to preview .md files directly in Finder without opening an editor
- you need a lightweight markdown-to-HTML converter on macOS
- you want configurable Quick Look previews with themes and extensions

## When to avoid
- you need a full markdown editor or standalone viewer app
- you are not on macOS
- you need to evaluate R code in rmarkdown files

## Facets
- artifact type: application
- maturity: active
- function: markdown, pdf-viewer, cli, gui
- domain: developer-tools, documentation, operating-systems, text-editors
- platform: cli
- tags: quicklook-extension, markdown-preview, markdown-to-html, shortcuts, mermaid, syntax-highlighting, macos, desktop

## Member repositories
- sbarex/QLMarkdown (main) score 90

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:05.110856+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:37:39.324838+00:00, confidence not recorded.
  - readme: https://github.com/sbarex/QLMarkdown (fetched 2026-08-28T04:08:05.110856+00:00, sha 45ab57d18050)
- Data as of 2026-08-30T08:39:29.467469+00:00.