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How to Use
- 1Upload a PDF file by clicking the drop zone or dragging it in. The tool displays the total page count after loading.
- 2Enter the pages or ranges you want to extract using comma-separated values. Use individual numbers (5), ranges (1-3), or any combination (1-3, 5, 8, 12-15).
- 3Verify that your page selection is within the document's total page count. The tool validates your input and warns about out-of-range page numbers.
- 4Click Split PDF to generate a new document containing only your selected pages in the order you specified.
- 5Preview the resulting document to confirm it contains the correct pages.
- 6Download the split PDF to your device. The output file is typically much smaller than the original since it only includes the pages you selected.
About Split PDF
The Split PDF tool extracts specific pages or custom ranges from any PDF and saves them as a new, smaller document. Built on the pdf-lib library — one of the most widely used open-source PDF manipulation libraries in the JavaScript ecosystem with millions of weekly npm downloads — it handles page extraction with full fidelity, preserving text, images, annotations, links, form fields, and all visual elements exactly as they appear in the original. The PDF specification (ISO 32000) defines a complex internal structure of cross-referenced objects, and pdf-lib navigates this structure to copy pages cleanly without corrupting the document.
The page selection syntax supports individual pages (5), ranges (1-3), and any combination (1-3, 5, 8, 12-15). Pages are included in the output in the order you specify, which means you can also use this tool to reorder pages — entering '5, 3, 1' produces a three-page document with those pages in reverse order. This flexibility is particularly useful when assembling custom document packages, such as pulling specific exhibits from a legal filing or rearranging presentation slides exported from PowerPoint into a PDF. The syntax is intentionally simple and mirrors the page range format used by most desktop PDF applications and print dialogs.
Common use cases span every profession that handles multi-page documents. Lawyers extract signature pages from contracts for separate filing and pull specific clauses for review during negotiations. Accountants pull specific financial statements from annual reports for auditing purposes. Students extract individual chapters from textbook PDFs for focused study sessions without carrying the full 500-page file. HR professionals separate individual sections from employee handbooks for targeted distribution. Real estate agents extract relevant disclosures from property documents for client review, and researchers isolate methodology sections from published papers for citation and reference.
Splitting is also a practical way to reduce file size for email attachments. Many email services impose a 25 MB attachment limit — Gmail, Outlook, and Yahoo all enforce this ceiling — and PDFs with hundreds of pages, especially those containing high-resolution images or embedded fonts, can easily exceed that threshold. Extracting only the pages the recipient needs produces a much smaller file that transmits easily and downloads faster on mobile connections. This approach is more targeted than PDF compression, which reduces quality across the entire document by downsampling images and removing metadata indiscriminately.
The tool works entirely in your browser using the pdf-lib library. Your PDF is loaded into browser memory, the selected pages are copied into a new PDF structure, and the result is generated as a downloadable file — all without any network request. The original file and the generated output exist only in your browser's memory and are released when you close or navigate away from the page. This client-side architecture means that sensitive documents such as legal contracts, medical records, financial statements, and tax filings never leave your device, providing a level of privacy that cloud-based PDF splitters cannot guarantee.
For workflows that involve multiple PDF operations, this tool pairs well with other tools in the suite. Use Split PDF to extract pages, then Merge PDF to combine pages from different documents into a single file, PDF to JPG to convert extracted pages to images for presentations or social media, or Compress PDF to reduce the output file size further for email or web upload. This modular approach lets you build complex document workflows without installing desktop software like Adobe Acrobat or paying for subscription-based PDF editors.
Frequently Asked Questions
How do I specify which pages to extract?
Use comma-separated values and ranges. For example, '1-3, 5, 8' extracts pages 1, 2, 3, 5, and 8. You can mix individual pages and ranges freely. Pages must be within the document's total page count, which is displayed after you upload the file.
Can I extract non-consecutive pages?
Yes. Mix individual pages and ranges in any order. For example, '2, 5-7, 10' creates a new PDF with pages 2, 5, 6, 7, and 10. The pages appear in the output in the exact order you specify, so you can also use this to reorder pages.
Is my PDF uploaded to a server?
No. All processing happens entirely in your browser using the pdf-lib JavaScript library. Your file never leaves your device, is never transmitted over the network, and is never stored anywhere remotely. This makes it safe for contracts, medical records, legal filings, and any sensitive documents.
Can I split a password-protected PDF?
If the PDF requires a password to open (user password), you need to unlock it first before uploading. PDFs with only owner-level restrictions (preventing printing or editing in Adobe Reader) can usually be split without issues, since pdf-lib handles the page extraction at a structural level.
Is there a page limit?
No hard limit on the number of pages. The tool can handle PDFs with hundreds of pages. Processing time depends on your device's RAM and CPU — modern devices handle most documents in seconds. For extremely large files (500+ pages or 100+ MB), processing may take longer but will complete successfully.
Does splitting preserve links, bookmarks, and annotations?
Page content — text, images, vector graphics, and annotations that are part of the page — is preserved exactly as in the original. Document-level features like bookmarks (table of contents), cross-page links, and form fields that reference other pages may not function correctly if the referenced pages are not included in the split output.
Can I use this to remove pages from a PDF?
Yes — removing pages is just the inverse of extracting them. If you have a 10-page document and want to remove pages 4 and 7, enter '1-3, 5-6, 8-10' to extract everything except those pages. The result is a new PDF without the unwanted pages.
How does the output file size compare to the original?
The output file is generally proportional to the number of pages extracted. If you extract 5 pages from a 50-page document, the result is roughly one-tenth the size. However, PDFs that use shared resources (fonts, images referenced across pages) may include those resources in full, so the reduction is not always exactly proportional.