PDF Bookmarks

One per line in the form Title | page, for example Introduction | 1. The text after the last vertical bar must be a page number, so titles may contain vertical bars themselves. Empty lines are ignored.

Indent a line more than the line above it to make it a child of that line, using spaces or tabs, where a tab counts as four spaces. A line indented as far as an earlier line becomes its sibling. Up to 10 levels are allowed.

They are replaced by the new outline. To keep some of them, include them again in your list.

To the page you give, fitted to the window, so the whole page is shown. Page numbers count from 1 in the order the pages appear in the file.

Yes, every level is open when the document is first shown, and viewers open their bookmark panel automatically. Readers can collapse the levels as they like.

Any Unicode text up to 300 characters, including accents, Chinese, Arabic and emoji. Titles are stored as Unicode strings and displayed with the font of the viewer, so no font is embedded for them.

A line without a vertical bar, a title or a page number is refused with its line number, as is a page beyond the end of the document. Nothing is saved until every line is valid.

Up to 500 entries in up to 10 levels, from a text of up to 50,000 characters. That covers detailed manuals and long reports.

Yes, enter its password in the password field. The result is saved without password protection, and the password is not returned.

Files up to 10 MiB and 200 pages and 30 seconds of processing. Pages, links and form fields are kept unchanged.