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Split PDF by Bookmarks

Split a PDF into chapters automatically using its bookmarks (outline) — processed locally, no upload.

100% free · no upload · no account · works offline

Upload a PDF with bookmarks, tick the chapters to split, and download the result. Fully local processing.

🔒 Privacy first: this tool runs entirely in your browser (open-source PDF.js engine). Your file is read locally, processed in memory, and never transmitted. Disconnect Wi-Fi and try it — it still works.