Skip to tool content
Toolioz logoToolioz
PDF Utilities

Split PDF by Bookmarks Online

Splits a PDF into separate chapter files using document outline bookmarks. Processing stays in your browser.

How to use Split by Bookmarks

  1. Choose a PDF with chapter outlines or bookmarks.
  2. Review detected sections and page ranges.
  3. Download the split section files.

A practical example

Extract individual chapters from a 200-page academic textbook or corporate policy handbook.

What to check before using the result

Requires the source document to contain internal PDF bookmarks. Flat scanned files must be split by page numbers.

Local processing

Inputs are processed in this tab. The site and some engines still load network assets.

Inspect before sharing

Review the output and keep the original file. Large files may take longer to process.

No account needed

No account, API keys, or watermarks required.