PDF Viewer
Konsolidiert in v4.1
Ab v4.1 ist der PDF-Viewer als Split-View direkt in die Dateien-App integriert. Ein Klick auf eine PDF-Datei oeffnet die Vorschau neben der Dateiliste. Die separate App wurde deaktiviert. Siehe Topbar-Popovers.
View, annotate, and sign PDF documents using PDF.js for rendering and pdf-lib for modifications.
Features
- PDF rendering — Mozilla PDF.js for high-quality display
- Page navigation — Previous/next, page number input, continuous scroll
- Zoom — Fit to width, fit to page, 25%-400%, pinch-zoom
- Sidebar — Thumbnail page previews and table of contents (bookmarks)
- Text search — Ctrl+F with match highlighting and counter
- Text selection — Select and copy text from PDFs
- Page rotation — 90° clockwise/counterclockwise
- Layouts — Single page, continuous, two-page spread
- Download / Print
- Dark mode / Sepia — Reading mode options
- Recent files — Quick access to recently opened PDFs
Annotations
| Type | Description |
|---|---|
| Highlight | Color-coded text highlighting |
| Underline | Underline text passages |
| Strikethrough | Strike through text |
| Sticky note | Positioned comment notes |
| Freehand | Draw with pen tool |
| Text box | Add text annotations |
| Rectangle / Arrow | Shape annotations |
Annotations are saved per-file and can be embedded into the PDF via pdf-lib.
Signatures
- Draw or type a signature
- Place on any page, resize and position
- Save signatures for reuse across documents
Form Filling
- Fill text fields and checkboxes in PDF forms
- Save filled forms
File Type Associations
.pdf— Opens in PDF Viewer from the Files app
Libraries
| Library | Size | Purpose |
|---|---|---|
| PDF.js | ~800KB | PDF rendering |
| pdf-lib.js | ~400KB | Annotation embedding |