# How long does it take to split a PDF by bookmarks?

_Updated July 2026 · Arthize · https://arthize.com/answers/how-long-split-by-bookmark_

Most jobs to split a PDF by bookmarks finish in a few seconds; large or scanned files take a little longer. Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. It runs in your browser session, so there is no upload queue to wait behind.

## Answer

Most jobs to split a PDF by bookmarks finish in a few seconds; large or scanned files take a little longer. Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. It runs in your browser session, so there is no upload queue to wait behind.

## More about split pdf by bookmark

Splitting by bookmark uses the document's own structure to define the cuts.

It saves counting page ranges for chaptered documents.

Each section becomes its own file.

## How to split a PDF by bookmarks

1. **Open the split tool** — Sign in and open the Split tool.
2. **Add your PDF** — Upload a bookmarked document.
3. **Split by bookmark** — Arthize cuts the file at each top-level bookmark.
4. **Download** — Get one file per section.

## FAQ

### How do I split a PDF by its bookmarks?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.

### Can I get one file per chapter automatically?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.

### Is split-by-bookmark free?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.