Skip to content
MyPDFilesLocal PDF tools

5 min read · Updated 2026-09-19

How to split a PDF into separate files

Splitting turns one document into many. This guide explains the three split methods, how to pick between them, and what each output does and does not inherit.

Splitting answers the question "how do I get several documents out of this one file?" — a bank statement bundle that should be twelve monthly statements, a scanned batch that is really thirty separate invoices. The tool offers three cutting strategies, and choosing the right one is most of the work.

Open in a new tab as you read

Tools used in this guide

All tools

4 steps

The procedure

Steps for a MyPDFilles tool run in your browser tab. When a guide directs you to external software, its own privacy and security practices apply.

  1. 01

    Add the document you want to cut up

    Drop in a single PDF. Split PDF works on one file at a time, because the output is a set of files derived from that one input.

  2. 02

    Choose a split method

    By page ranges lets you define each output file yourself. Every N pages cuts at a fixed interval from page one onward. One file per page bursts the document into individual single-page PDFs.

  3. 03

    Fill in the parameter that method needs

    For ranges, type them as a list such as 1-3, 4, 5-9 — each entry becomes one output document. For every N pages, set the pages-per-file number. One file per page needs nothing further.

  4. 04

    Split and collect the output

    Press the action button. Because a split produces several files, they arrive as a ZIP archive with each document named after its source and page span, so the pieces stay identifiable after download.

Beyond the steps

What is actually happening

01

Choosing between ranges, intervals and bursting

Use page ranges when the document has meaningful boundaries that you know — a report where chapters start on pages 1, 12 and 28, or a submission pack where each section should go to a different recipient. Ranges are the only method that lets the outputs be different lengths, and the only one where you control what belongs together.

Use every N pages when the boundaries are regular and you would otherwise be typing the same arithmetic forty times. Double-sided scans of two-page forms split cleanly at N=2; a batch of four-page contracts at N=4. The failure mode is an irregularity: one three-page form in a stack of twos shifts every subsequent boundary, and the tool has no way to notice.

Use one file per page when downstream software expects single-page documents — many document-management imports do — or when you genuinely need each page addressable on its own. Be realistic about the count: a 400-page file becomes 400 files.

02

What each output piece inherits, and what it loses

Each output is a new document whose pages are copied objects from the source, so page content is identical: same text, same fonts, same image data, same per-page /Rotate value and MediaBox. Nothing is re-rendered at any point.

Document-level structures are a different matter. A bookmark outline describes the whole original document, and most of its destinations point at pages that are not in a given piece, so outlines do not carry across usefully. Links that pointed to another page of the original become links to a page that no longer exists in that output. Document metadata such as the title still describes the original whole, which is worth fixing if the pieces will be distributed separately.

03

Splitting is not the way to make a file smaller

It is a common assumption that cutting a large PDF into pieces will make the total smaller, and it usually does not. Shared resources get duplicated: if an embedded font subset is used on pages throughout the document, every output piece that uses it needs its own copy, so the sum of the pieces can exceed the original.

Individual pieces are of course smaller than the whole, which solves an attachment problem if you only need to send one section. But if the goal is a smaller version of the same document, compression is the operation you want, not splitting.

While you follow this

MyPDFilles tools process files in this browser tab.

For a MyPDFilles tool, your document is read from your disk into this browser tab and the result is handed to your browser’s download mechanism. We do not make the same claim for external applications discussed in educational guides; check their own privacy and security information before using them.

Verify MyPDFilles requests in your Network panel

Questions about this task

What is the difference between splitting and extracting pages?

Splitting divides one document into several output files. Extracting pulls a chosen subset out into a single new document and leaves the rest behind. If you want chapters as separate files, split; if you want just pages 4, 9 and 20 in one file, extract.

Why do I get a ZIP instead of PDFs?

Because a split normally produces more than one file, and a browser cannot hand you a folder. The archive keeps the set together with names that record which pages each piece came from.

Does the original file change?

No. Your input is read in the tab and never modified; the outputs are new documents. Nothing is written back to the file you dropped in.

Can I split a scanned PDF?

Yes — page objects copy the same way whether the page holds text or a scanned image. The pieces stay unsearchable if the original was unsearchable, since splitting does not perform recognition.

Read next

Related guides