# Split PDF by Bookmark for startups

_Updated July 2026 · Arthize · https://arthize.com/for/startups/split-by-bookmark_

Arthize lets startup founders and teams split a PDF by bookmarks in a private workspace — free, with no watermark. Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically.

## Why startups split a PDF by bookmarks

A founder exports the pitch deck to PDF, merges it with financials into a data-room file, and sends a SAFE for e-signature — without paying for enterprise document software.

**Built for pitch decks.** Whether it's pitch decks, cap tables, contracts, Arthize's split pdf by bookmark keeps the work inside your private workspace. Fundraising materials and cap tables are highly confidential; private processing is critical.

## What matters when you split a PDF by bookmarks

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 startups split a PDF by bookmarks for 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 the file is deleted after the job — which is why startup founders and teams can use it for pitch decks without a confidentiality risk.

### Is it private to split a PDF by bookmarks sensitive pitch decks?

Yes. Fundraising materials and cap tables are highly confidential; private processing is critical. Files are processed inside your private Arthize workspace and deleted after the job.

### 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.