Reader Feature Overview
Our reader (Volpe) supports PDF, EPUB, and Audiobook products in the browser and inside the Fenice apps. Feature availability varies by content type and device. Use this page to orient yourself before diving into a specific feature's documentation.
Platform Availability
| Feature | EPUB | Audiobook | Desktop | Mobile | |
|---|---|---|---|---|---|
| Header | Yes | Yes | Yes | Yes | Yes |
| Side Panel | Yes | Yes | Partial | Yes | Yes |
| Footer | Yes | Yes | No | Yes | Yes |
| Text Selection Actions | Yes | Yes | No | Yes | Yes |
Device Adaptation
Our reader detects the device automatically and adjusts the interface. Mobile devices receive touch-optimized controls and full-screen panels. Desktop users get keyboard shortcuts and hover interactions.
Feature Catalog
Each feature is documented in its own page. The tables below map features to their category and link to the relevant documentation.
Navigation
| Feature | Formats | Documentation |
|---|---|---|
| Table of Contents | PDF, EPUB | Header / Side Panel (no standalone doc yet) |
| Thumbnails | PDF only | Header / Side Panel (no standalone doc yet) |
| Page Navigation Slider | PDF, EPUB | Footer (no standalone doc yet) |
| Search | PDF, EPUB | Find Text in a Product |
| Playlist | Audiobook only | Play and Navigate Audiobooks |
Reading Tools
| Feature | Formats | Documentation |
|---|---|---|
| Highlights | PDF, EPUB | Highlights |
| Notes | PDF, EPUB | Notes |
| Notebook Panel | PDF, EPUB | Manage Highlights and Notes |
| Text to Speech | PDF, EPUB | Header / Menu More (no standalone doc yet) |
Customization
| Feature | Formats | Documentation |
|---|---|---|
| Theme | All | Advanced Reader Settings |
| Font Size / Zoom | PDF, EPUB | Advanced Reader Settings |
| Line Spacing | EPUB reflowable | Advanced Reader Settings |
| Margin Width | EPUB reflowable | Advanced Reader Settings |
| Page Layout | PDF, EPUB | Advanced Reader Settings |
| High-Contrast | All | Advanced Reader Settings |
Integrations and AI
| Feature | Formats | Documentation |
|---|---|---|
| Social Sharing | PDF, EPUB | Share Reading Content |
| Dictionary | PDF, EPUB | Text Selection Actions (no standalone doc yet) |
| Translation | PDF, EPUB | Text Selection Actions (no standalone doc yet) |
| Vito AI | PDF, EPUB | Vito AI Assistant |
| Citations | PDF, EPUB | Citations |
Related Documentation
- Read Without an Internet Connection - Which features stay available when offline
- Introduce New Readers to the Reader - First-time user onboarding flow
- Play and Navigate Audiobooks - Audiobook-specific controls