How to split a PDF
- Drop a single PDF file into the box above.
- Pick a mode: each page as its own PDF (downloads a ZIP) or extract a page range (downloads a single new PDF).
- Click Split PDF. The split happens entirely in the browser tab.
When to split a PDF
Splitting is useful when you only need a chapter from a longer document, want to email a single page from a contract, or need to feed individual pages into another tool. Because the split is page-level rather than character-level, layout, fonts, and images are preserved exactly.
Privacy and limits
The PDF is read into memory in the same browser tab, processed by pdf-lib, and the resulting files are offered as a download. Nothing is uploaded. The 100 MB-per-file cap exists because larger files often exceed the JavaScript heap on mobile browsers; if you hit it, try a desktop browser or split the file in halves first using a desktop PDF reader.
FAQ
Will the output ZIP contain one PDF per page? Yes — each ZIP entry is a self-contained 1-page PDF named after the original file and page number.
Can I extract a non-contiguous selection (pages 1, 3, and 7)? Use the Delete PDF Pages tool with the inverse selection, or split into single pages and re-merge.
Are page rotations preserved? Yes, both page rotation and per-page media boxes carry over to the output files.