Install Zayenha Tools on your device
Quick access from your home screenSplit a book or report into one file per chapter automatically from its bookmarks, choosing the level (chapters or sections), with file names taken from the chapter titles — in one ZIP, in your browser with no upload. Running the tool requires an account; the free account includes 10 one-time operations on eligible tools.
Drop a PDF here or click to choose
Your file stays on your device — nothing is uploaded
Split a book or report into one file per chapter automatically from its bookmarks, choosing the level (chapters or sections), with file names taken from the chapter titles — in one ZIP, in your browser with no upload
You can preview the tool without an account. Running it requires an account; the free account includes 10 one-time operations, with plans for ongoing use.
Processing varies by tool: file editing tools process selected files in the browser, while others may call a server or external provider. Check the tool description and privacy policy before entering sensitive data.
The site adapts to mobile and desktop screens, but some functions depend on browser and device support.