When You Need to Split a PDF
Most people encounter PDF splitting in one of two situations: they have a large document and only need to share a specific section of it, or they have received a combined file and need to pull individual pages out of it. Both are more common than they might seem.
A 40-page report where the client only needs pages 12 to 18. A combined bank statement PDF where you need each month as its own file. A scanned multi-page form where each page needs to go to a different recipient. A long contract where you want to extract just the signature page. These are everyday tasks, and they all have the same solution: splitting the PDF precisely where you need to.
Three Things "Splitting" Can Mean
The word "split" covers a few different operations that are worth distinguishing before you choose a tool, because not every tool supports all of them.
Split into individual pages
Turn every page into its own separate PDF file. Useful for scanned documents or forms where each page stands alone.
Extract a page range
Pull out a specific set of pages — say pages 5 to 12 — into a new standalone PDF, leaving the rest intact.
Remove specific pages
Delete one or more pages from a document and save the remainder. The inverse of extracting — you keep everything except certain pages.
Split into fixed chunks
Divide a long document into equal-sized sections — for example, split a 60-page document into three 20-page files.
The Fastest Method: Split PDF Online
For most splitting tasks, an online tool is the quickest option. No software to install, works on any device, and handles all the common split operations in a few clicks.
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1Go to Convixy Split PDF and upload your PDF. You can drag and drop directly onto the page.
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2Choose your split method — by page range, individual pages, or fixed intervals — and enter the pages you need.
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3Click split. The tool processes your file and produces the output files within seconds.
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4Download your split PDF or files. Your original is not modified, and all files are deleted from the server immediately after.
Understanding Page Ranges
When a tool asks you to enter a page range, the format is almost always straightforward: you enter the first page number, a dash, and the last page number. A few examples make this clear.
| What you want | Page range to enter | Result |
|---|---|---|
| First 5 pages only | 1–5 | A new PDF with pages 1 to 5 |
| Pages from the middle | 8–14 | A new PDF with pages 8 to 14 |
| Last 3 pages of a 20-page doc | 18–20 | A new PDF with pages 18, 19 and 20 |
| A single page | 6–6 | A one-page PDF containing only page 6 |
| Multiple separate ranges | 1–3, 7–9 | Two separate PDFs, one for each range |
If you are not sure which pages you need, open the PDF in your browser or any PDF viewer first and note the page numbers before uploading to a splitter.
How to Split a PDF on Windows
Using a browser (no software needed)
The simplest Windows method requires nothing beyond a browser. Open your PDF in Chrome or Edge, press Ctrl + P to open the print dialog, set the destination to Save as PDF, and in the Pages field enter the range you want — for example, 5-12. Click Save and you get a new PDF containing only those pages. This works well for a single range extraction and requires no uploads or third-party tools.
Using Adobe Acrobat (paid)
In Acrobat, go to Tools → Organize Pages. You will see a thumbnail view of every page. Select the pages you want to extract, right-click and choose Extract Pages, then decide whether to extract them as a new file or remove them from the original. Acrobat also lets you drag and delete individual pages directly from the thumbnail view.
How to Split a PDF on Mac
Preview on macOS handles page extraction natively and is the most convenient option for Mac users.
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1Open your PDF in Preview and show the thumbnail sidebar via View → Thumbnails.
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2Select the pages you want to extract. Hold Command to select multiple non-consecutive pages, or Shift for a continuous range.
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3Drag the selected thumbnails out of the Preview window and drop them onto the desktop or a Finder folder. macOS automatically creates a new PDF containing those pages.
How to Split a PDF on iPhone or Android
Neither iOS nor Android has a built-in PDF splitter. The most reliable approach on both platforms is to use a browser-based tool — open Convixy Split PDF in your mobile browser, upload the file, enter your page range, and download the result. The entire process takes under a minute and works identically on any smartphone.
On iPhone, if you only need to extract a single page range and do not want to upload the file anywhere, the print-to-PDF trick also works on iOS: open the PDF in Files or Safari, tap the share icon, choose Print, then use a pinch-out gesture on the print preview to open it as a PDF, and save from there. It is a slightly awkward workaround but requires no internet connection.
Splitting vs Merging: Two Sides of the Same Workflow
Splitting and merging PDFs are complementary operations that often appear in the same workflow. A common pattern is to receive a large combined document, split out the sections relevant to different recipients or purposes, and then re-merge certain pages with other documents before sending.
For example: you receive a 30-page legal bundle. You split out pages 1–10 for your records, pages 11–20 to forward to a colleague, and pages 21–30 to attach to a separate submission. Each split produces a clean, correctly sized file for its purpose. If you later need to bundle two of those sections back together, that is a job for a PDF merger.
Keeping both tools in mind — and knowing which task calls for which — means you can reshape any PDF to fit exactly what is needed without ever opening a full desktop application.
What Happens to File Size When You Split
Splitting a PDF reduces file size roughly in proportion to how many pages you remove — but not always exactly. File size in a PDF is driven primarily by the images embedded on each page, not the page count alone. If your original document has 20 pages and you extract 5 pages that happen to contain all the high-resolution images, your extracted PDF might be larger than the remaining 15 pages combined.
If the resulting file is still larger than you need — for example, for email attachment limits — run it through a PDF compressor after splitting. A quick compression pass after extraction typically reduces image-heavy pages by 50–70% with no visible quality difference on screen.
Keep Your Original — Always
The single most important habit when splitting PDFs is to never overwrite or delete your source file. Always work from a copy, or ensure your tool clearly states it does not modify the original. Online tools like Convixy operate on an uploaded copy and never touch your local file, so the original on your device is always safe. With desktop tools like Preview on Mac, the risk of accidentally saving over your original is real — which is why the Export as PDF step rather than Save is so important.
A split operation that goes wrong — wrong page range, pages in the wrong order — is trivially easy to redo if your original is intact. Without the original, reconstructing a clean source document from split fragments is genuinely painful.
Split your PDF in seconds
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