How to Split a PDF

1. Scroll up to the tool above and drag and drop your PDF file into the designated area or click to select the file from your device.
2. Preview the pages once the file is uploaded; you will see thumbnails representing each page of the document.
3. Select the pages to split by clicking and dragging across the page thumbnails or by entering specific page numbers in the provided input field.
4. Configure the split settings to define how you want the PDF to be divided, such as by page range or individual pages.
5. Download the split files by clicking the “Download” button, which will generate a new PDF file for each selected page range.

Common use cases

Marcus, an HR manager, splits a 200-page combined onboarding packet into per-employee files for personalized email distribution. This approach ensures that sensitive information is handled discreetly, as no data leaves Marcus’s device. The browser-based processing guarantees that no server logs contain any part of the onboarding documents.

Lin, a journalist, splits a 500-page government FOIA release into sections for parallel review by three colleagues. Lin can trust that the PDF remains on her device, preventing any potential exposure to unauthorized servers. The privacy-first approach ensures Lin’s investigative work remains confidential.

Tomas, a small-business owner, splits a multi-month bank statement PDF into single-month files for accounting reconciliation. With no data leaving his device, Tomas can securely manage financial documents without worrying about server-based vulnerabilities. This method ensures that sensitive financial data remains protected.

Priya, a teacher, splits a textbook PDF into per-chapter files to assign chapters as separate weekly reading. Priya can rest assured that her students’ reading materials are processed securely in the browser, maintaining privacy and avoiding any server-based risks. This method ensures that student data remains confidential.

How it works (privacy & technical)

The PDF Splitter uses pdf-lib 1.17.1 and PDF.js 3.11.174 to process PDF files entirely within the user’s browser. PDFs are loaded as Uint8Array byte streams into browser memory, and operations like PDFDocument.copyPages and getPage are executed in the JavaScript engine. The browser network layer is never invoked for file content, ensuring that no file data is uploaded to any server. This contrasts with server-based tools that require users to upload their files, potentially exposing sensitive information. Since files never leave the device, they do not appear in any server logs, maintaining user privacy and security.

Frequently Asked Questions

Are my files uploaded to your servers?

No, your files are processed entirely in your browser using pdf-lib and PDF.js. This means that no files are uploaded to our servers, ensuring your privacy and security.

Is there a file-size or page-count limit?

There are no file-size or page-count limits, but the processing is limited by your browser’s memory. For example, Chrome and Firefox can handle files up to 1 GB in size, depending on your device’s memory.

Does this work on mobile?

Yes, the PDF Splitter works on mobile devices, but performance may vary depending on the device’s browser capabilities and memory limits. Mobile browsers like Safari and Chrome support the necessary libraries for this tool.

Can I split a password-protected PDF?

Currently, the PDF Splitter does not support splitting password-protected PDFs directly. You would need to decrypt the PDF first before using the tool.

What output formats are supported?

The output format is always PDF. Each split section will be saved as a separate PDF file, maintaining the original document’s formatting and quality.

Will splitting reduce quality or break formatting?

Splitting a PDF using our tool will not reduce the quality or break the formatting of the document. The PDFDocument.copyPages method ensures that the original layout and quality are preserved in each split section.

Related Tools

PDF Merger — combine PDFs back into one; Extract Pages — pull out specific pages without re-splitting; Organize PDF — reorder pages instead of splitting; HTML to PDF — generate splittable PDFs from web pages.