Looq
A better look at your files. Preview Markdown with KaTeX and Mermaid, highlight 190+ languages, view CSV and SQLite tables, browse archives and folders. All from Quick Look.
Markdown
Full GFM rendering with rich formatting support.
- KaTeX math (inline and block)
- BeautifulMermaid diagrams
- Syntax-highlighted code blocks
- GitHub Alerts and emoji shortcodes
- Auto table of contents sidebar
- Remote image caching
- Scroll position memory
Source Code
Syntax highlighting for 190+ languages.
- Progressive rendering
- Auto-format JSON, CSS, XML, SVG, plist
- Configurable line numbers
- Custom fonts, size, and weight
- Tab width and word wrap
- Independent light and dark themes
- Shebang detection
Data Files
Native table views for structured data.
- Resizable CSV and TSV columns
- Alternating row colors
- SQLite multi-table preview
- Column type and constraint tooltips
- Color-coded diff/patch
- Multi-file tab switching
- Large file truncation
Archives and Folders
Browse compressed files and directories.
- ZIP and TAR directory tree
- Pure Swift binary parsing
- File size, date, and type columns
- Sortable column headers
- Folder preview with Spotlight metadata
- Configurable display columns
- Finder tag support
Customization
Independent light and dark themes for both Markdown and code. Custom fonts, font size, line height, tab width, and word wrap. Configurable metadata bar showing file size, timestamps, and file type. Per-format controls so each preview looks exactly the way you want.
Privacy
Looq runs entirely on your device. No analytics, no tracking, no accounts. The only network activity occurs when a Markdown file references a remote image, which Looq requests directly from the source host. Read the full privacy policy.










