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pdf100% Browser-BasedUpdated Jul 2026

Split PDF

A premium, privacy-first PDF splitting tool that works entirely in your browser. Upload any PDF and split it by page ranges, extract specific pages, or automatically divide into segments. Preview every page before splitting, with macOS-style page selection. All processing happens locally — your files never leave your device.

Your Files Never Leave Your Device

All PDF processing happens entirely in your browser using JavaScript. Your files are never uploaded to any server, stored in the cloud, or accessed by third parties.

Upload PDF File

Drag & drop a PDF file here, or click to browse.

PDF onlyUp to 250.0 MBPrivate · never uploaded

Frequently Asked Questions

Everything you need to know about splitting PDFs online

How does browser-based PDF splitting work?
PDF splitting happens entirely in your browser using JavaScript. When you upload a PDF, it is read locally using the File API. The pdf-lib library processes and extracts the pages into separate documents. No data is ever sent to any server — your files remain on your device at all times.
Is my data safe when using this Split PDF tool?
Yes, 100%. Your PDF files never leave your device. All processing happens locally in your browser using JavaScript. There are no file uploads, no server storage, and no third-party services involved.
What split options are available?
You can split by: every N pages (divides the PDF into equal segments), custom ranges (define specific page ranges), extract selected pages (pick individual pages), or split by chapters (auto-detect chapter boundaries). Each mode gives you full control over the output.
Can I preview pages before splitting?
Yes! The workspace shows a beautiful thumbnail grid of every page in your PDF. You can select pages using macOS-style selection (click, shift-click, ctrl-click), rotate pages, and see exactly which pages will be in each output file before processing.
Can I choose output file names?
Yes. You can name output files with sequential numbering (document-1.pdf, document-2.pdf), base the name on the original file, or use a custom naming pattern with placeholders.
What is the maximum PDF size I can split?
Our tool supports PDFs up to 250MB. For very large PDFs with hundreds of pages, the browser may need more memory. If you experience performance issues, try splitting smaller portions at a time.
Will the split PDFs preserve quality?
Yes. The split PDFs contain the exact same page content as the original. Pages are extracted without re-encoding, so there is no quality loss whatsoever.
Can I split a password-protected PDF?
PDFs with simple encryption can often be processed. However, strongly encrypted PDFs may not be readable by browser-based tools. We recommend removing password protection before splitting.
Does this tool work offline?
Once the page has loaded and the PDF library has been fetched, yes! The core splitting functionality works even without an internet connection since all processing happens locally in your browser.
What makes ForgePlug's Split PDF different from other tools?
Our Split PDF tool is built as a complete PDF workspace, not just a simple split form. Features like live page previews, macOS-style page selection, multiple split modes, custom naming, and browser-only processing set it apart. Plus, your files never leave your device.

How PDF Splitting Works

Learn about splitting PDFs and best practices

What is PDF Splitting?

PDF splitting is the process of dividing a single PDF document into multiple smaller PDF files. This is useful when you have a large document — like a book, report, or contract — and you want to separate it into chapters, sections, or individual pages for easier sharing, printing, or archiving.

When Should You Split a PDF?

Splitting a PDF is helpful in many scenarios: extracting specific pages from a large document, separating chapters of an eBook, dividing a scanned document into individual pages, creating a single-page PDF for each invoice or receipt in a batch, extracting a signature page from a contract, or breaking down a large PDF for easier email attachment.

Tips for Splitting PDFs Effectively

Before splitting, review your PDF to understand its structure. Look for chapter headings, section breaks, or blank pages that might indicate natural split points. Use the preview grid to verify page content before processing. For large documents, consider splitting in stages: first by chapter, then by section if needed. Always keep a backup of your original PDF.

Frequently Asked Questions

Everything you need to know about splitting PDFs

How does browser-based PDF splitting work?
PDF splitting happens entirely in your browser using JavaScript. When you upload a PDF, it is read locally using the File API. The pdf-lib library processes and extracts the pages into separate documents. No data is ever sent to any server — your files remain on your device at all times.
Is my data safe when using this Split PDF tool?
Yes, 100%. Your PDF files never leave your device. All processing happens locally in your browser using JavaScript. There are no file uploads, no server storage, and no third-party services involved.
What split options are available?
You can split by: every N pages (divides the PDF into equal segments), custom ranges (define specific page ranges), extract selected pages (pick individual pages), or split by chapters (auto-detect chapter boundaries). Each mode gives you full control over the output.
Can I preview pages before splitting?
Yes! The workspace shows a beautiful thumbnail grid of every page in your PDF. You can select pages using macOS-style selection (click, shift-click, ctrl-click), rotate pages, and see exactly which pages will be in each output file before processing.
Can I choose output file names?
Yes. You can name output files with sequential numbering (document-1.pdf, document-2.pdf), base the name on the original file, or use a custom naming pattern with placeholders.
What is the maximum PDF size I can split?
Our tool supports PDFs up to 250MB. For very large PDFs with hundreds of pages, the browser may need more memory. If you experience performance issues, try splitting smaller portions at a time.
Will the split PDFs preserve quality?
Yes. The split PDFs contain the exact same page content as the original. Pages are extracted without re-encoding, so there is no quality loss whatsoever.
Can I split a password-protected PDF?
PDFs with simple encryption can often be processed. However, strongly encrypted PDFs may not be readable by browser-based tools. We recommend removing password protection before splitting.
Does this tool work offline?
Once the page has loaded and the PDF library has been fetched, yes! The core splitting functionality works even without an internet connection since all processing happens locally in your browser.
What makes ForgePlug's Split PDF different from other tools?
Our Split PDF tool is built as a complete PDF workspace, not just a simple split form. Features like live page previews, macOS-style page selection, multiple split modes, custom naming, and browser-only processing set it apart. Plus, your files never leave your device.

About Splitting PDFs

A complete guide to splitting PDF files.

What is PDF Splitting?

PDF splitting is the process of dividing a single PDF document into multiple smaller PDF files. This is useful when you have a large document — like a book, report, or contract — and you want to separate it into chapters, sections, or individual pages for easier sharing, printing, or archiving.

When Should You Split a PDF?

Splitting a PDF is helpful in many scenarios: extracting specific pages from a large document, separating chapters of an eBook, dividing a scanned document into individual pages, creating a single-page PDF for each invoice or receipt in a batch, extracting a signature page from a contract, or breaking down a large PDF for easier email attachment.

Tips for Splitting PDFs Effectively

Before splitting, review your PDF to understand its structure. Look for chapter headings, section breaks, or blank pages that might indicate natural split points. Use the preview grid to verify page content before processing. For large documents, consider splitting in stages: first by chapter, then by section if needed. Always keep a backup of your original PDF.

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Runs in your browser100% privateNo data uploaded