The everyday PDF guide
How to Split a PDF into Separate Files
Learning how to split a PDF helps you separate a long document into smaller files, extract a particular section, or share only the pages someone needs.
For example, you might want to separate individual invoices from a scanned batch, save one chapter from a report, or divide supporting documents into clearly named files.
The basic process is to keep the original, identify the required pages, use a splitting or extraction tool, and inspect each saved document.
Quick Answer: How Do You Split a PDF?
Open a working copy in an application that supports splitting or page extraction. Choose the pages or splitting rule, save the results as new PDFs, and check that each file contains the correct content.
On a Mac, Preview can create a new PDF from selected page thumbnails. A suitable desktop PDF editor can provide additional splitting options.
Splitting does not normally require optical character recognition, or OCR. You can separate scanned page images without recognizing their text.
Splitting vs. Extracting: What Is the Difference?
These terms describe related operations, but the distinction helps you choose the right command.
Splitting divides a document into multiple files. You might split a 30-page report into three parts.
Extracting creates a separate file from selected pages. You might save pages 8–12 while keeping the complete report.
Some applications offer both operations. Check whether an extraction setting also removes pages from the source document, and work on a copy.
If you need the opposite operation, read our guide to merging PDF files into one document.
Before You Start
Keep the Complete Original
Duplicate the PDF and use the copy for your work.
This protects the source if you select the wrong pages or use an option that changes the open document.
Keep the original until you have checked every output file.
Identify the Correct Page Positions
A document’s printed page numbers may differ from its position in the PDF.
For example, a report may contain a cover and contents page before printed page 1. Check the thumbnail view and the first and last pages of your intended section rather than relying only on printed numbering.
Check the Recipient’s Requirements
Some recipients need one complete document. Others accept separate files or require particular sections individually.
Confirm the expected format before splitting an application, report, or submission.
Review Restrictions and Signatures
Protected PDFs may restrict page extraction or other changes.
If you encounter a restriction, obtain an appropriate copy or permission from the document owner. Splitting a digitally signed document can also affect signature validation.
Method 1: Extract PDF Pages in Preview on a Mac
Preview offers a built-in way to create a PDF from selected pages.
Apple describes this in its guide to adding, deleting, and moving PDF pages.
Step 1: Open Your Working Copy
Open the copied PDF in Preview.
Confirm that it contains all the pages you expect.
Step 2: Show the Page Thumbnails
Choose View → Thumbnails to display the pages in the sidebar.
Use these previews to locate the section you need.
Step 3: Select the Required Pages
Select the page thumbnail or group of thumbnails you want to save separately.
Check the beginning and end of the selection before continuing.
Step 4: Drag the Selection to the Desktop
Drag the selected thumbnails from the sidebar onto your desktop.
Preview creates a new PDF from those pages.
Step 5: Rename and Inspect the New File
Give the output a clear name, then open it.
Check the page count, sequence, and orientation. Repeat the process for other sections when needed.
Method 2: Split a PDF with Adobe Acrobat
Adobe documents several splitting rules in Acrobat, including maximum page count, maximum file size, and top-level bookmarks.
Check that the required capability is included in your edition or plan.
Step 1: Open the Working Document
Open your copied PDF and locate Organize pages, then the Split command.
Interface wording can vary. Consult Adobe’s PDF splitting instructions if your screen differs.
Step 2: Choose a Splitting Rule
Select the rule that matches your goal.
A page-count rule can create regularly sized sections. Bookmark-based splitting can suit a document already organized with suitable top-level bookmarks.
A file-size rule may help with a per-file restriction, but check the resulting sizes before submission.
Step 3: Review the Output Settings
Choose the destination folder and naming options available in your version.
Saving into a dedicated folder makes the new files easier to inspect.
Step 4: Run the Split and Check Every File
Open each output PDF and confirm that the sections begin and end where intended.
An automatic split does not necessarily follow meaningful chapter boundaries unless you have chosen a rule that reflects the document’s structure.
What About Online PDF Splitters?
An online splitter can be convenient for an occasional document, but it requires uploading the file to a service.
Before using one, check:
- Whether an account is required.
- File-size and page-count limits.
- How to download all output files.
- Whether the operation requires payment.
- Document storage and deletion arrangements.
Use the publisher’s official website. For confidential documents, confirm that uploading is appropriate.
Our PDF tool selection guide explains how to evaluate a workflow before committing to it.
Name Your Files Clearly
Useful filenames help the recipient understand what each document contains.
Examples include:
- report-part-01.pdf
- report-part-02.pdf
- application-supporting-documents.pdf
- invoices-january.pdf
For a sequence, use consistent numbering. Avoid names such as “final-new-2” that become confusing when files are shared.
Check Your Split PDFs Before Sending
Confirm the Page Count
Compare the outputs with your intended selection.
If you divided a 20-page document into two complete sections, account for all 20 pages without unintended gaps or duplicates.
Inspect the Section Boundaries
Open the first and last pages of every output.
Check that a table, paragraph, or appendix has not been separated at an unhelpful point.
Test Important Features
Where relevant, check links, bookmarks, comments, completed form fields, and searchable text.
Features that refer to pages elsewhere in the original document may need attention after splitting.
Check Readability
Make sure pages remain correctly oriented and readable.
Splitting does not inherently require reducing image resolution, but inspect the output rather than assuming every tool preserves every document feature.
Will Splitting Make a PDF Small Enough to Email?
It can create smaller individual files, but attaching every part to the same email may still exceed a total-message limit.
Check whether the restriction applies to each attachment or the entire message.
If the recipient requires one PDF, compression or a controlled-access sharing link may be more suitable. Read our guide to reducing PDF size for email before deciding.
Frequently Asked Questions
Can I Split a PDF for Free?
Depending on your device and task, yes. Preview provides a built-in extraction option on a Mac. Other services may offer splitting with usage limits.
Check the complete workflow, including saving the results.
Can I Split a Scanned PDF?
Yes. Separating page images does not require recognizing their text.
If you also need to change the wording, follow our scanned PDF editing guide.
Does Extracting Pages Delete Them from the Original?
That depends on the application and options selected. Work on a copy and check any setting that removes extracted pages.
Can I Recombine the Files Later?
You can use a merging tool to join the files again. Keep the correct sequence and check the combined result.
Do I Need a Paid PDF Editor?
Not necessarily. Choose according to your device, document sensitivity, and how often you need the task.
Our free vs. paid PDF editors guide explains what to check before buying.
Only need part of a document? Learn how to split a PDF into separate files.