Preview RTF files directly in VS Code or Positron with full formatting, tables, and embedded images.
Features
- Zero dependencies required — works out of the box with a built-in RTF parser
- Enhanced rendering — automatically uses LibreOffice or pandoc if installed for higher fidelity
- Tables with borders, column widths, cell backgrounds, and alignment
- Horizontal cell merging (colspan) with multi-level header alignment via edge-based column grid
- Merged-cell footnote deduplication (SAS-style repeated footnote text suppressed)
- Default light cell borders on all tables for consistent readability
- Cell padding support
- Text indentation (left indent, first-line/hanging indent)
- Per-border styling (different widths, colors, and styles per side)
- Embedded PNG/JPEG images displayed inline
- Font styling (bold, italic, underline, superscript)
- Page break indicators
- Auto-reloads on file change
- Optimized for SAS-generated RTF output
Usage
- Open any
.rtffile - Click the preview icon in the editor title bar, or right-click → RTF: Open Preview
- The preview opens in a side panel
Rendering Modes
The extension automatically selects the best available renderer:
| Priority | Renderer | Quality | Requirement |
|---|---|---|---|
| 1 | Built-in parser | Best for SAS | None (always available) |
| 2 | LibreOffice | Good | soffice in PATH |
| 3 | pandoc | Good | pandoc in PATH |
Build from Source
npm install
npm run build
License
MIT