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How to Split a PDF or Extract Pages

How to split a PDF or extract pages: page ranges, splitting by section or size, keeping the original, naming the parts and checking what each file contains.

By Published 4 min read

Reign Creative LLC makes PDF All in One Tool No Limit, which this article links to, so we have a commercial interest in it. How we write and check articles.

AI-assisted article. Drafted with AI tools from the sources cited below and checked by automated tests and an AI editorial review. No person has reviewed it yet. How we write and check articles.

Key takeaways

  • Splitting divides one PDF into several files; extracting copies chosen pages into a new file and leaves the original intact.
  • Write page ranges the way your tool's own example shows; a common style uses hyphens and commas, such as 1-3, 7, 10-12.
  • Split by meaning, such as one file per section, or by size, to get under an attachment limit such as Gmail's 25 MB.
  • Keep the original, name each part clearly and check that every part opens and contains the right pages.
  • Extracting only the pages someone needs is also a privacy habit: send less, expose less.

To split a PDF, open it in a PDF tool, choose split or extract, enter the page ranges you want and save the parts as new files, keeping the original. Splitting is merging in reverse: a long PDF, such as a full scanned contract or a year of bank statements, may need to go out in pieces, one section to one person or the whole thing in parts small enough to email. This guide covers splitting and extracting pages, page ranges and how to avoid sending the wrong pages.

Splitting versus extracting

The two operations are related but different:

Operation What you get What happens to the original
Split Several new files covering the whole document Unchanged, if you save the parts as new files
Extract One new file with only the pages you chose Unchanged
Remove pages The same file, minus some pages Changed

Wikipedia describes a PDF as encapsulating a complete description of a fixed-layout document, including the text, fonts, graphics and images needed to display it. Because each page is fully described, a tool can copy pages into a new file whole, without re-encoding them, so splitting need not change quality. Do not expect the parts to add up exactly to the original size, though: resources such as embedded fonts can end up stored in more than one part.

Writing page ranges

Page-range boxes differ between apps, so check your tool's own example first. This guide uses the common hyphen-and-comma style:

  • 1-3 means pages 1, 2 and 3;
  • 7 means page 7 alone;
  • 1-3, 7, 10-12 combines them.

One trap: a document's printed page numbers may not match its position in the file, for example when a cover and contents pages come first. Check whether your tool counts from the first page of the file or uses the printed numbers, and look at a page or two before extracting.

Splitting, step by step

In PDF All in One Tool No Limit, split tools divide a large PDF or extract only the pages you need:

  1. Open the PDF and note the page numbers you need, scrolling through once.
  2. Choose split or extract in the page tools.
  3. Enter the ranges or select pages.
  4. Save the parts as new files, keeping the original.
  5. Open each part and check its first and last page.

A worked example: splitting for size

A 60 MB scanned document has three sections: pages 1-40, 41-75 and 76-120. Google's Gmail help gives a 25 MB attachment limit for personal accounts, and Gmail turns larger attachments into Drive links. Splitting by section gives three files, but their sizes depend on their pages: if the pages are similar, the third section, with 45 of the 120 pages, would be about 60 × 45 ÷ 120 = 22.5 MB, the second about 17.5 MB and the first about 20 MB. All three fit. If one part is still too large, compress it, or split that section again; how to compress a PDF covers the trade-offs.

Splitting by meaning

Size is not the only reason to split. Another rule is one file per purpose:

  • one file per invoice, statement or month, so each can be found and filed alone;
  • one file per chapter or unit, for course readings;
  • the signature pages separately, when only they need to come back signed.

Common splitting mistakes

  • Off-by-one ranges: ending a section at 40 when it really ends at 41 leaves a page in the wrong file. Check the last page of each part.
  • Forgetting shared pages: a cover sheet or table of contents may belong in every part, or in none.
  • Splitting a signed document: if a file carries a certificate-based digital signature, the extracted pages form a new file that the original signature does not cover. Send the complete signed original when the signature itself matters.
  • Overwriting the original: always save parts as new files until you have checked them.

Name the parts

Parts with names like "document_part1.pdf" get lost. Use names that describe the content and order: "Lease 2026 - 1 of 3 - terms.pdf", "Lease 2026 - 2 of 3 - schedules.pdf". The app's PDF manager lets you review, organise and rename files before sharing.

Send less, expose less

Extracting is also a privacy habit. If a landlord needs page 4 of a bank statement, extract page 4 rather than sending all twelve. For sensitive pages that must travel, password-protecting a PDF explains what protection actually does.

When to merge instead

If you have the opposite problem, many small files that should be one, merging PDFs on Android covers it. Both tools are part of PDF All in One Tool No Limit, one of our video and utility apps; its guide maps the rest.

Good to know

Frequently asked questions

What is the difference between splitting and extracting pages?
Splitting divides a PDF into several separate files, for example one per chapter. Extracting copies the pages you choose into a new PDF and leaves the original unchanged. Both are page operations; neither needs to change the pages themselves.
How do I write page ranges?
Follow your tool's own example. In the common hyphen-and-comma style, 1-3 means pages 1, 2 and 3, and 1-3, 7, 10-12 means pages 1 to 3, page 7 and pages 10 to 12. Check whether your app counts from the first physical page or from printed page numbers.
How do I split a PDF that is too big to email?
Divide it into parts that each fit the limit. Google's Gmail help gives 25 MB for personal accounts, so a 60 MB document might become three files of about 20 MB each, split at sensible section boundaries.
Does splitting a PDF reduce quality?
It should not. A PDF describes each page completely, so a tool can copy pages whole into a new file without re-encoding them. Quality changes if you also compress or convert the pages, so check the settings before saving.

Sources

  1. PDF (opens in a new tab)Wikipedia — accessed
  2. Send attachments with your Gmail message (opens in a new tab)Google Gmail Help — accessed

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