PDF Previewer
A VS Code extension that renders PDF files using MuPDF compiled to WebAssembly.
Usage
Open any .pdf file in VS Code — the viewer opens automatically as a custom editor.
View modes
Click the scroll/page toggle button in the toolbar to switch between:
- Scroll mode (default) — all pages rendered continuously
- Single-page mode — one page at a time
Zoom
| Action |
Result |
Ctrl+Wheel |
Zoom in/out anchored to the mouse position |
+ / = |
Zoom in |
- |
Zoom out |
| Fit Width button |
Scale to fill the container width |
| Fit Page button |
Scale to fit the entire page |
| Zoom input field |
Type a percentage (e.g. 150%) or a decimal (e.g. 1.5) |
Navigation
| Action |
Result |
PageDown / ArrowRight |
Next page |
PageUp / ArrowLeft |
Previous page |
| Page number input |
Jump to a specific page |
| Outline sidebar entry |
Jump to the bookmarked page |
| Thumbnail |
Jump to the corresponding page |
Text selection and copy
- Click and drag to select text.
- Double-click to select a word.
- Ctrl+C to copy the selected text to the clipboard.
Search
Type in the search box to find text across the document.
Press Enter / Shift+Enter or use the arrow buttons to navigate between hits.
Right-click on an image to copy it as PNG.
Rotation
Click the rotate button to rotate the current page 90° clockwise.
Settings
| Key |
Type |
Default |
Description |
pdfPreviewer.defaultZoom |
number |
1.0 |
Initial zoom level (1.0 = 100%). |
pdfPreviewer.renderResolution |
number |
96 |
Render resolution in DPI. Higher values produce sharper output at the cost of more memory. |
| |
