Splitting a PDF separates a multi-page document into smaller files. You might split a PDF to extract a specific chapter, share only relevant pages with someone, reduce file size for email, or break a large scanned document into individual receipts or invoices.
Split methods explained
By page range
Extract a contiguous block of pages by specifying start and end page numbers.
Examples:
- Pages 1–5: extracts the first five pages
- Pages 10–15: extracts a middle section
- Page 20 to end: extracts from page 20 through the last page
Extract individual pages
Select specific pages by number, not necessarily in sequence.
Examples:
- Pages 1, 3, 7: extracts only those three pages
- Pages 2, 5, 8, 11: extracts every third page from a 12-page document
Split into equal parts
Divides the document into chunks of equal size.
Examples:
- Split 12-page document into 3-page chunks → four 3-page files
- Split 20-page document into 4-page chunks → five 4-page files
The last chunk will be smaller if the total pages don't divide evenly.
Every page as a separate file
Creates one PDF per page. Useful for scanned documents where each page is a separate receipt, form, or invoice.
A 10-page PDF → ten single-page PDFs.
By bookmarks
If the PDF has bookmarks (table of contents entries), splits at each bookmark boundary. Useful for splitting ebooks, reports, or documents with defined chapters.
Understanding PDF page numbers
PDF page numbers and document page numbers are not always the same:
- A document might start with a cover page, table of contents, and preface — numbered as i, ii, iii
- The actual content starts at "page 1" in the document, but might be page 4 in the PDF file
- When splitting, use the PDF page numbers (physical position in the file), not the printed page numbers in the document
Most PDF splitters refer to the physical page position. If your document has front matter, account for those pages when specifying ranges.
File size after splitting
Splitting pages doesn't always reduce file size proportionally. A 10-page PDF split into 10 pages might produce files larger than 1/10 of the original:
- Embedded fonts are repeated in every output file (not just once in the original)
- Document metadata and overhead is repeated per file
- Images are not shared between output files
For individual page extracts with embedded fonts, each file might be 50–200 KB even if the original was only 500 KB total.
Privacy when splitting PDFs
Like merging, many online PDF tools process your files on remote servers. For confidential documents, use a browser-based tool that processes everything locally.
Sensitive documents where privacy matters:
- Legal contracts (only share the signature page)
- Medical records (only share specific test results)
- Financial statements (extract one quarter from an annual report)
- HR documents (distribute only the relevant section to each employee)
How to split PDFs free
- Go to PDF Splitter
- Upload your PDF file
- Choose a split method: page range, individual pages, equal parts, or every page
- Enter the page numbers or ranges
- Click Split PDF
- Download the resulting files (as individual PDFs or a ZIP archive)
All processing happens in your browser — your PDF is never uploaded to any server.