How do I split a PDF by the number of pages in Adobe Acrobat?

Open your PDF and go to 'Organize Pages'. Click 'Split' and choose 'Number of Pages'. Enter how many pages each new PDF should have. Set your output options (where to save, file names). Click 'Split' to create the new files.

What is the difference between splitting a PDF by page count and by file size?

Splitting by page count means you tell Acrobat how many pages each new PDF should contain, for example, every 10 pages. Splitting by file size means you tell Acrobat the maximum size each new PDF file can be, for example, 5 MB. The tool will then create new PDFs until that size limit is reached. Both methods help manage large documents, but one focuses on content length, and the other on file storage or transfer limits.

Why would I want to split a PDF using top-level bookmarks?

Splitting a PDF by top-level bookmarks is useful when your document is already well-organized with clear sections. Each top-level bookmark usually marks a major section, like a chapter or a vendor's details. By splitting this way, you automatically get separate PDF files for each main section, saving you time from manually selecting page ranges. It's a smart way to break down structured documents.

If I need to send different parts of a vendor confirmation document to various teams, how can splitting a PDF help?

You can split the main document into individual vendor confirmations. This allows you to send only the relevant pages to each team, keeping information private and focused. You could split by page ranges if each vendor's info is on specific pages, or by bookmarks if they are set up. This makes sharing easier and more secure than sending the entire large document.

What is the 'Split PDF' operation in the Adobe PDF Services API?

The 'Split PDF' operation in the Adobe PDF Services API is a programming tool that lets developers automatically divide a PDF document into multiple smaller PDF files. You can specify how to split the PDF, for example, by a certain number of pages, by specific page ranges, or by a target number of output files. This is useful for integrating PDF splitting into custom applications or workflows without manual interaction.

Tonight's Split Vendor Confirmations in Adobe Acrobat — How-to & AI prompts

AI prompts

3 ways to ask · copy any one

AExecute — “help me do it”Please split my PDF into separate files using the top-level bookmarks…+

Please split my PDF [insert file name or upload] into separate files using the top-level bookmarks as the split points.

when the reply comes backWould you like to combine some of the split files afterwards?

BImprove — “do it better”Can you make sure each split file is named after its bookmark?…+

Can you make sure each split file is named after its top-level bookmark when splitting my PDF [insert file name or upload]?

when the reply comes backNeed help checking if your PDF has top-level bookmarks first?

CDecide — “help me choose”Should I split my PDF by bookmarks or by page ranges?…+

Should I split my PDF [insert file name or upload] by top-level bookmarks or by specific page ranges? What are the pros and cons for each?

when the reply comes backWant to rename the split files for easier finding later?

How to do it

the tool · the steps · what to avoid

1
Open your PDF file in Adobe Acrobat Pro.
2
Go to the Tools pane and select Organize Pages.
3
In the secondary toolbar, click Split.
4
In the Split dialog, select Top-level Bookmarks as the split method.
CautionOnly top-level bookmarks will be used to split the document; nested bookmarks will not create separate files.
5
Choose a destination folder for the output files if prompted.
6
Click OK or Split to start the process.
7
Review the output folder to find a separate PDF for each top-level bookmark.
Best practiceIf your bookmarks are not set up correctly, use the Bookmarks panel to adjust their hierarchy before splitting for best results.

In the appWith the API

You can quickly preview and adjust bookmark levels in the Bookmarks panel before splitting to ensure each section is separated as intended.

This runs in the Acrobat app - there is no separate API for this task.

Glossary

words on this page

PDFA common file type used to share documents that look the same everywhere.ExampleShe saved the brochure as a PDF so everyone would see the exact same layout and fonts.

BookmarkA link in a PDF that helps you jump to a specific part of the document.ExampleClicking the 'Exhibit A' bookmark takes you directly to the relevant court document.

Top-level bookmarkThe main bookmarks in a PDF, usually marking big sections or chapters.ExampleClicking the 'Introduction' top-level bookmark takes you to the start of the document.

The real tasks

the one, listed here

Vendors emailed separate confirmations for a trip that leaves tonight and the executive needs one readable itinerary

FAQ

about this task

In Adobe Acrobat, you can use the 'Organize Pages' tool, then choose the 'Split' option, and select to split by top-level bookmarks. This will create a new file for each main section marked by those bookmarks.

Top-level bookmarks are the main bookmarks that usually point to big sections or chapters in your PDF. They are not inside other bookmarks, and splitting by them creates files for each main part.

Splitting by bookmarks is helpful when you want each main section or chapter as its own file, instead of guessing page numbers. It saves time and keeps sections organized.

No, you need bookmarks to use this method. If your PDF does not have bookmarks, you can add them first in Adobe Acrobat, or split by page numbers instead.

Splitting by top-level bookmarks is better when your PDF is already organized with bookmarks for each main part. Splitting by page range is useful if you want custom sections or your PDF does not have bookmarks.

Tonight's Split Vendor Confirmations

When to use it

AI prompts

How to do it

Glossary

The real tasks

Who does this

FAQ

Sources

Adobe help