Glance: A free macOS Quick Look extension for instant Markdown file previews
By
Klim Falkenberg
Leave it on the tray for the seagulls.
Summary
Glance is a free native macOS Quick Look extension that renders Markdown files (.md) instantly with clean formatting when pressing Space in Finder. It solves the problem of having to open editors like VS Code or Cursor just to read Markdown files. The extension supports tables, code blocks, links, images, LaTeX math, Mermaid diagrams, and smart zoom, while working fully offline with zero telemetry and an 8.3 MB footprint.
Key quotes
· 3 pulledI built Glance after getting tired of opening editors just to read Markdown files.
Markdown is everywhere now: README.md, CLAUDE.md, AGENTS.md, specs, notes, and AI-generated docs from Claude Code or Codex.
Press Space on any .md file and get an instant, cleanly rendered preview with clean typography, tables, code blocks, links, images, blockquotes, LaTeX math, and more.
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