JSON
Flat array of every bookmark — title, URL, description, collection, tags, featured, added. Canonical format for migration or scripting.
Export
Download your bookmarks in portable formats.
OPML
Hierarchical XML — imports into most browsers' bookmark manager and RSS readers. Grouped by collection.
RSS
Feed of the 50 most-recently-added bookmarks (by added date). Subscribe a reader to keep up with additions.
CSV
Spreadsheet-friendly. Columns: id, title, url, description, collection, collectionItem, tags, featured, added.