The outline panel hides itself automatically when the document has no embedded bookmarks. Thumbnails still work and become the default sidebar content.
Preview
Props & interactive options
| Prop | Type | Default | Description | Try it |
|---|---|---|---|---|
| show_thumbnails | url param | 1 | Open the page thumbnails panel at load. | |
| show_outline | url param | 0 | Open the document outline / bookmarks panel at load. |
Browsers block autoplay with sound. Enabling
auto_play automatically enables muted so playback can start; viewers can then unmute manually.
Try it in the player
Outline sidebar
Click the list icon in the toolbar to expand the sidebar, then pick between thumbnails and outline tabs.
Documentation
Give readers two complementary ways to move through long documents. Thumbnails render every page as a small preview in a scrollable strip. Outline surfaces the document's table of contents (bookmarks) as a collapsible tree. Both panels sit in the same collapsible sidebar and can be shown independently.
Code
HTML
Frequently asked questions
No — thumbnails are generated lazily as the panel scrolls into view, so even a 500-page document opens instantly without flooding the CPU.