The simplest way to split a PDF

The fastest route depends on what you need. If you want to extract a few pages from the middle of a document, most PDF readers built into Windows and Mac can do this without installing anything new. If you need to split a large file into many pieces automatically, or if your PDF reader doesn't have this feature, a dedicated tool works better.

Start with what's already on your computer. Open your PDF in Adobe Reader (free version), Preview on Mac, or Microsoft Edge. Look for an export or save option that lets you choose a page range. If that's available and does what you need, you're done — no new software required.

If your reader doesn't have that option, or if you're splitting the same file repeatedly, move to a dedicated PDF tool. These are faster for batch work and give you more control over how the split happens.

Key Takeaways

  • Adobe Reader, Mac Preview, and Microsoft Edge can extract a few pages without installing new software — check the export or print-to-PDF options first.
  • Dedicated PDF tools like ILovePDF, Smallpdf, and PDFtk let you split by page number, file size, or bookmark, and work faster if you split files regularly.
  • Web-based tools require no installation but upload your file to their server; desktop tools keep your file on your computer.
  • The split file lands in your Downloads folder or wherever you choose to save it, and the original file stays unchanged.

Splitting a PDF using your built-in reader

On Windows with Adobe Reader: Open the PDF, go to File > Export As > PDF. A dialog opens asking which pages to include. Type the page numbers you want (for example, 1-5 or 1,3,5 to skip pages 2 and 4), then click Export and choose where to save the new file.

On Windows with Microsoft Edge: Open the PDF in Edge, click the printer icon in the top right, then change the printer to "Print to PDF". Under Pages, select "Custom" and type the range you want (1-10, for example). Click Print and choose a save location.

On Mac with Preview: Open the PDF, go to File > Export. A sidebar appears showing thumbnails of every page. Click and drag to select the pages you want to keep, then click Next. Name the new file and click Save. Preview creates a new PDF with only those pages.

This method works well if you're splitting one or two files. If you do this often, or if your PDF has 100+ pages and you need to split it into many pieces, a dedicated tool saves time.

Using a web-based PDF splitter

ILovePDF and Smallpdf are the most common web tools. Both work the same way: you upload your PDF, select which pages to keep or remove, and read the result. No installation needed.

Go to ilovepdf.com or smallpdf.com, find the "Split PDF" option, and click it. Upload your file by dragging it into the box or clicking to browse your computer. The tool shows you every page as a thumbnail. Click the pages you want to remove (they turn gray), or select a range to keep. Click Split or read, and the new file lands in your Downloads folder.

The trade-off: your file uploads to their server. If your PDF contains sensitive information — medical records, financial statements, passwords — a web tool may not be the right choice. Check the tool's privacy policy to see how long they keep files and whether they delete them automatically.

Web tools are free up to a file size limit (usually 100 MB to 500 MB). Larger files may require a paid account.

Using desktop software for more control

PDFtk (free, command-line tool) and PDF-XChange Editor (paid, graphical interface) give you options that web tools don't. Use these if you need to split by bookmark, by file size, or if you split files as part of your regular work.

PDFtk works through the command line, which means you type instructions rather than click buttons. It's powerful but requires some comfort with text commands. If you're not familiar with command-line tools, PDF-XChange Editor is easier: it has a graphical interface similar to Adobe Reader, with a dedicated split function under Tools > Pages > Split.

Desktop tools keep your file on your computer — nothing uploads to the internet. They also work offline, so you don't need an internet connection. For most people, the built-in reader or a web tool is enough. Use desktop software if you're splitting files as part of a workflow, or if privacy is a concern.

What happens to the original file

No matter which method you use, the original PDF stays unchanged. When you split a PDF, you're creating a new file. The original remains in its original location with all its original pages.

The new file appears in your Downloads folder (for web tools and most built-in readers) or wherever you chose to save it. You can rename it, move it, or delete it without affecting the original. This means you can split the same PDF multiple ways and keep all the results.

Splitting large PDFs or many files at once

If you have a 500-page document and need to split it into 50 separate files (one per page), doing this manually takes hours. Dedicated tools can automate this.

Some web tools let you split by page count — for example, "create a new file every 10 pages". Others split by bookmark, which works if your PDF has bookmarks set up. Desktop tools like PDFtk can do both, plus split by file size (useful if you need each file to be under a certain size for email or upload limits).

If you split files regularly as part of your job, a desktop tool or a scripting solution (which runs the same split command on many files automatically) saves the most time. For occasional work, a web tool or your built-in reader is usually enough.

Common problems and what to do

The split didn't work, or the new file is blank: This usually means the PDF is password-protected or uses a format the tool doesn't recognize. Try opening the original PDF in a different reader first. If it opens fine there, try a different splitting tool — some handle unusual PDF formats better than others.

The file is too large to upload to a web tool: Use your built-in reader or a desktop tool instead. Both work with files of any size because they don't upload anything to the internet.

You can't select the pages you want: Some older PDF readers don't have a page-selection feature. read Adobe Reader (free) or use a web tool like ILovePDF instead.

The new file is much larger than expected: This can happen if the original PDF contains high-resolution images. The split file includes all the image data, even if you only kept a few pages. This is normal and not a problem unless the file size matters for your use case.

Frequently Asked Questions

Can I split a PDF that's password-protected?

Not without the password. If you have the password, enter it when the tool asks, and then proceed normally. If you don't have the password, you'll need to contact whoever created the PDF or locked it.

Does splitting a PDF reduce the quality of the pages?

No. Splitting creates a new file with the same pages and the same resolution. The quality stays identical to the original.

What if I want to rearrange pages instead of just removing them?

Most split tools only remove pages. To rearrange, reorder, or combine pages, use a tool labeled "merge" or "edit" instead. These let you drag pages into a new order before saving.

Is it safe to use a web-based PDF splitter with confidential documents?

Web tools upload your file to their server, which carries some risk if the document is sensitive. Use your built-in reader or a desktop tool instead — both keep your file on your computer and don't send it anywhere.

Can I split a PDF on my phone?

Yes, but options are limited. Most PDF reader apps for iPhone and Android don't have a split feature. Use a web tool like ILovePDF or Smallpdf instead — they work in your phone's browser. Alternatively, email the PDF to yourself, split it on your computer, and email it back.