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Split by Bookmarks
Split PDF at bookmark boundaries
This tool processes your files entirely in your browser. Your documents never leave your device.
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Drag & drop PDF files here
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PDF, PDF•Max size: 100MB per file
About This Tool
Split PDF documents at bookmark boundaries to automatically separate chapters, sections, or logical divisions with our free online tool. Extract individual sections from large documents using the existing bookmark structure, creating organized files compatible with Adobe Acrobat and all PDF readers.
Our intelligent bookmark detection identifies the document outline and lets you select exactly which bookmark levels to use as split points. Perfect for breaking down technical manuals, legal documents, research papers, and ebooks into their natural sections without manual page counting.
All processing happens securely in your browser. Your documents with their bookmark structures never leave your device, ensuring complete privacy for confidential reports, proprietary documentation, and sensitive business materials.
Ideal for extracting chapters from PDF books, separating sections from corporate reports, breaking down training materials into modules, or organizing large document collections. Works with any bookmarked PDF including those created by Adobe Acrobat Pro, Microsoft Word, and professional publishing software.
Frequently Asked Questions
- Is Split by Bookmarks free?
- Yes, completely free with no hidden costs, subscriptions, or usage limits. All tools are available at no charge.
- Is it safe to use Split by Bookmarks?
- Yes, 100% safe. All processing happens locally in your browser. Your files are never uploaded to any server and never leave your device.
- What is the maximum file size?
- You can process files up to 100MB. Since everything runs in your browser, processing speed depends on your device.