Question 1

How do I split a PDF into separate files?

Accepted Answer

Upload your PDF, then pick a mode: 'Custom page ranges' (extract specific pages or groups, e.g. '1-3, 5, 8-10' produces three output PDFs), or 'Every page separately' (every page becomes its own PDF, delivered as a ZIP). Everything runs in your browser.

Question 2

What's the page-range syntax?

Accepted Answer

Comma-separated groups. Use single numbers (5) or ranges (1-3). Example: '1-3, 5, 8-10' produces three PDFs containing pages 1–3, page 5, and pages 8–10 respectively. Pages outside the source's range are ignored.

Question 3

How do I extract a single page from a PDF?

Accepted Answer

Pick 'Custom page ranges' and type just that page number — e.g. '7'. The output is a single-page PDF containing only page 7.

Question 4

Can I split a 100-page PDF into 100 single-page PDFs?

Accepted Answer

Yes. Pick 'Every page separately' — each page becomes its own PDF, delivered as a ZIP file you can extract locally. Useful for batch processing or per-page distribution.

Question 5

Is my PDF uploaded to a server?

Accepted Answer

No. The split runs entirely in your browser using pdf-lib. Your PDF, the extracted output, and any intermediate state never leave your device.

Question 6

Are bookmarks, form fields, and annotations preserved?

Accepted Answer

Page-level content including most annotations is preserved by pdf-lib. Document-level structures (bookmarks, ToC) won't carry into split output PDFs since each output is its own document. If preserving document structure matters, consider extracting larger contiguous ranges rather than single pages.

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