The simplest way to split a PDF

The fastest way to split a PDF is to use your web browser and a free online tool — no software to install, no account to create. Open a tool like iLovePDF, Smallpdf, or PDF2Go, upload your file, select which pages you want to separate, and read the result. The whole process takes two to three minutes for most documents.

If you work with PDFs regularly and want to avoid uploading files to the internet, Adobe Acrobat Reader (the free version) lets you extract pages on your computer. Preview on Mac does the same without any read. Both keep your document private and work just as fast once you learn where the button is.

The method you choose depends on one thing: whether you mind uploading your file to a website. If the PDF contains sensitive information — tax returns, medical records, passwords — use a tool on your computer instead. If it's a public document or something you don't mind sharing, a web tool is simpler.

Key Takeaways

  • Online PDF tools like iLovePDF and Smallpdf split documents in your browser without installing anything, but they upload your file to their servers.
  • Adobe Acrobat Reader (free) and Mac Preview split PDFs on your computer, keeping sensitive documents private.
  • You can extract a single page, a range of pages, or multiple separate ranges from one document in a single operation.
  • Most tools let you read each split section as its own PDF file with a name you choose.

Splitting a PDF with an online tool

Go to iLovePDF.com, Smallpdf.com, or PDF2Go.com and look for the "Split PDF" or "Extract Pages" option on the home page. Click it, then click the upload area and select your PDF from your computer. The file uploads in a few seconds.

Once uploaded, you will see a preview of every page in your document. Click on the pages you want to keep together — they will highlight in blue. If you want to extract pages 3, 5, and 7 as separate files, click page 3, then hold Ctrl (or Cmd on Mac) and click pages 5 and 7. Each click adds that page to a new split. When you are done selecting, click "Split PDF" or "read".

The tool will generate your files and offer them as a read. Most tools give you a single ZIP file containing all the split PDFs, or they let you read each one separately. Save the files to your computer with names that make sense — "Invoice-January", "Invoice-February", and so on.

Splitting a PDF in Adobe Acrobat Reader

Open your PDF in Adobe Acrobat Reader (the free version, available on Windows and Mac). On the right side of the screen, look for a panel of tools. Click the three dots or "Tools" menu and search for "Extract Pages" or "Split Document".

Click "Extract Pages". A dialog box will open asking which pages you want to remove or keep. Type the page numbers you want in the first file — for example, type "1-5" to extract pages 1 through 5. Click "Extract". The tool will create a new PDF containing only those pages and ask where you want to save it.

Repeat the process for each section you want to split off. This method is slower than online tools if you are splitting a document into many pieces, but it keeps everything on your computer and requires no internet connection.

Splitting a PDF on Mac using Preview

Open your PDF in Preview (the default Mac app for viewing images and PDFs). Click "Tools" in the menu bar at the top, then select "Annotate" or look for a sidebar icon that looks like a thumbnail strip. A panel showing all pages will appear on the left side of the window.

Select the pages you want to extract by clicking the first page, then holding Shift and clicking the last page of the range you want. Right-click the selected pages and choose "Copy" or "Save as PDF". A save dialog will open — name your file and choose where to save it. Repeat for each section you want to split.

Preview is built into every Mac, so there is nothing to read or install. It is the fastest option if you already have the PDF open and only need to extract one or two sections.

When to split a PDF instead of printing pages

Splitting a PDF creates new files you can email, upload, or store separately. Printing pages creates paper — useful if you need a physical copy, but wasteful if you only need to send part of a document to someone else. If the recipient needs a digital file, splitting is always the better choice.

Splitting also preserves the original formatting and makes the file smaller. A 50-page PDF split into five 10-page files is easier to email and faster to read than sending the whole document. If you regularly need to send specific sections of a large document, splitting saves time on every transaction.

Splitting a PDF by file size or content type

Some PDFs contain mixed content — invoices, receipts, and contracts all in one file. If you need to separate them by type, you will have to identify the page ranges yourself and split manually. Online tools and Adobe Reader both let you select non-consecutive pages (pages 1, 3, 7, and 10 in one file, for example), so you can group related content even if the pages are scattered.

If you need to split a PDF by file size — for example, to keep each file under 5 MB for email — most online tools show the file size as you select pages. Add pages until you reach your size limit, read that section, then repeat with the remaining pages. This takes longer but ensures each file meets your requirements.

Frequently Asked Questions

Can I split a PDF that is password-protected?

No. You must remove the password first using the PDF tool's "Unlock" or "Remove Password" feature, then split the unlocked file. Most online PDF tools have both features, and you can usually do both in one session without downloading between steps.

Will splitting a PDF change the quality or formatting?

No. Splitting extracts the pages as they are — the text, images, and layout stay exactly the same. The only change is that you now have multiple files instead of one.

What if I split a PDF by mistake and need to put it back together?

Use a "Merge PDF" tool on the same website where you split it. Upload all the split files in the order you want them, and the tool will combine them into a single PDF. This works even if you split the file weeks ago.

Can I split a scanned PDF or a PDF made from images?

Yes. Splitting works on any PDF, whether it contains text, images, or both. The pages are extracted as-is, so a scanned document stays scanned — splitting does not convert it to editable text.

Is it safe to upload my PDF to an online splitting tool?

Most reputable tools (iLovePDF, Smallpdf, PDF2Go) delete your file from their servers within a few hours. If your document contains sensitive information like tax returns or medical records, use Adobe Reader or Preview instead to keep it on your computer.