How do I split a PDF file?

Load the file, specify the page range or select 'extract all pages', and click 'Split PDF' to partition the files in browser memory.

Can I extract specific page ranges from a PDF?

Yes. You can input customized ranges like '1-3, 5-7, 9' to retrieve only the exact pages you need.

Is split PDF free and safe to use?

Yes. The tool is 100% free and runs locally inside your browser, meaning your document data remains safe and never uploads to any server.

Split PDF file

Extract one or more page ranges from your document, or save every individual page as a separate PDF.

Select PDF file

or drag and drop PDF here

Selected: document.pdf

Click pages to select. Shift, Ctrl/Command to select multiple. Reset selection

Selected pages:

Output Format Merge selected pages into one PDF Creates a single downloadable PDF document with chosen pages. Extract each page as separate PDF Saves every selected page into individual files in a ZIP archive.

Document Management

Need to work on a different file?

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A Guide to PDF Partitioning: How to Extract Pages and Split Files

Large portable document format (PDF) files frequently contain surplus chapters, unrelated appendices, or confidential records that should not be circulated in full. PDF splitting allows engineers, administrative professionals, researchers, and students to isolate and extract key pages into clean, standalone files.

Why Split PDF Documents?

Reduce Storage & Email Limits: Isolate a 3-page contract section from a 200-page bundle to bypass strict email attachment barriers.
Protect Privacy: Extract only non-confidential exhibits before sharing a dossier with external partners or clients.
Modular Document Management: Break massive accounting books, bank statements, or textbooks into chapter-by-chapter references.

Client-Side Partitioning: Privacy Without Compromise

Most legacy online PDF tools require you to upload proprietary records to external cloud servers where unvetted pipelines process them. Document Alter uses modern WebAssembly and HTML5 binary memory buffers to process every single byte locally within your browser. No PDF contents or extracted files ever leave your machine.

How to Split PDF Files in 3 Simple Steps

Upload PDF

Click 'Select File' or drop your target PDF document into the workspace area.

Choose Pages

Click pages to select them visually, pick Odd/Even presets, or type custom page ranges.

Extract & Download

Click 'Extract pages' to create your customized PDF files instantly.

Frequently Asked Questions

How do I specify multiple distinct ranges?

You can click the pages directly in the preview, or enter custom comma-separated entries such as 1-3, 5, 8-10 into the page range field.

Will extracted PDFs maintain original resolution and bookmarks?

Yes. The PDF partitioning engine extracts pure vector streams, preserving vector graphics, embedded typefaces, high-res images, and color palettes without quality loss.

Is there a limit on file sizes or page numbers?

Since all processing operates on your own device memory without remote uploads, you are only bound by your browser available RAM.