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Split PDF

Split one PDF into many—by fixed intervals or custom points.

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How to split a PDF online

1. Choose file

Select or drag in a PDF to start previewing pages instantly.

2. Set breakpoints

Add fixed intervals or custom cuts to decide where to split.

3. Split instantly

Click ‘Split PDF’ to generate all files locally — fast and secure.

Why splitting PDFs matters

Large PDFs can be slow to open, hard to share, and difficult to manage. Splitting a PDF into smaller files helps organize sections, reduce file size, and improve navigation. It’s especially useful for reports, contracts, scanned archives, and e-books that need to be divided by chapters or topics.

Flexible ways to split your PDF

You can split PDFs automatically by fixed page intervals or manually set custom split points for full control. This makes it easy to separate chapters, invoices, forms, or meeting notes into individual documents. The tool ensures every page range is handled precisely without reprocessing the whole file.

Preview before you split

An integrated page preview lets you see exactly where each split will occur. You can scroll through all thumbnails, check page breaks, and confirm each section before exporting. This visual accuracy ensures that every divided PDF looks clean and matches your intended layout.

Fast, private, and browser-based

All PDF splitting happens locally in your browser. No server uploads, no waiting, and no data exposure. It’s a fast, private PDF splitter built for reliability and simplicity — ideal for anyone who values both efficiency and document security.

Organize long documents with ease

A long PDF can be overwhelming when you only need a few chapters, sections, or attachments. Splitting a large PDF into smaller files helps you focus on the information that matters. It also makes sharing, printing, or archiving easier because each new file becomes a clear, independent document. Many professionals use a split PDF tool to manage e-books, reports, research papers, or project documentation more efficiently. Instead of scrolling endlessly, you can extract pages and divide PDF content into meaningful sections that match your workflow. It’s a practical way to make digital files lighter, faster, and easier to navigate.

Split PDF your way: automatic or manual

A great PDF splitter should let you choose how to divide your file. You can split a PDF automatically by fixed intervals—such as every 5 or 10 pages—or manually create custom breakpoints to isolate specific sections. This flexibility is perfect for users who handle invoices, presentations, or scanned documents that require fine control. Each split keeps the original page order intact while ensuring perfect separation between files. Whether you need to extract a single chapter or batch separate hundreds of pages, the split PDF process remains fast, accurate, and consistent across every run.

Precision through page preview

Before executing the split, it’s important to visualize the layout. A built-in preview lets you scroll through thumbnails and confirm where each section starts and ends. This step prevents errors such as cutting a table in half or separating related diagrams. Advanced PDF splitter tools support drag-based markers, allowing you to select exact page ranges before exporting. You can inspect each range, adjust intervals, and ensure that the output is logically structured. By combining precision preview with flexible control, the tool guarantees professional results even for complex multi-section documents.

Secure, local, and efficient processing

Modern users expect tools that respect privacy while maintaining speed. The split PDF function processes files directly within the browser, so no upload or external storage is involved. Your documents remain on your device at all times, ensuring full data security. This approach also eliminates waiting time, since the operation depends only on your local computing power. It’s a lightweight, efficient, and privacy-friendly solution designed for both individuals and businesses. When you divide PDF pages locally, you gain complete control over your workflow without compromising confidentiality or performance.

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FAQs

Frequently asked questions

Yes. All PDF splitting happens locally in your browser. Your files never leave your device and are not uploaded to any external server. This means no one else can access, view, or store your documents. It’s a fully private process designed for both individual and professional use, ensuring your sensitive information remains secure at all times.

Absolutely. You can divide a long PDF into multiple smaller files for easier sharing, printing, or organization. The tool supports both fixed-interval splitting and manual selection, giving you control over where each section begins and ends. Even large files can be processed efficiently without affecting quality or layout.

Yes. When you split a PDF, the original page sequence is preserved in each new file. You can preview all pages before splitting to make sure the output reflects the original structure. This helps prevent misplaced pages and ensures the divided PDFs are ready for professional or personal use immediately.

You can choose between two methods: set fixed intervals (for example, every few pages), or select custom split points manually. Simply preview the file, decide where you want each new document to start, and confirm. The tool will instantly generate separate PDFs for each section according to your chosen ranges.

No installation is needed. The split PDF tool works entirely in your web browser. You can open it on any device—desktop, tablet, or mobile—and begin splitting files right away. Everything runs locally, so there’s no need for downloads, plugins, or account registration.

Yes. A built-in thumbnail preview lets you review all pages before confirming the split. This feature helps ensure accuracy, especially for documents with complex layouts or multiple sections. You can scroll, zoom, and adjust the split points visually before generating the final files.

Not at all. Splitting a PDF only separates the existing pages into new files; it doesn’t compress, resize, or re-render content. The text, fonts, and images stay exactly as in the original file, maintaining the same visual quality and professional presentation.

Yes. The split PDF function is fully optimized for mobile browsers. You can select files from your phone’s storage, preview them, and split directly on your device. The interface automatically adapts to smaller screens, offering a smooth and intuitive experience anywhere.

AiMuo focuses on simplicity, privacy, and performance. Unlike many online PDF splitters that send files to remote servers, this tool processes everything locally within your browser. It’s built to deliver fast, accurate results while keeping full control in your hands — no uploads, no waiting, and no data risks.