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ConvertBox

Split PDF

Split a PDF into separate files by page ranges or single pages. Processed entirely in your browser — no upload, no file size limit beyond your device memory.

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Select PDF File

You can select a single PDF file

Max file size: 100MB

or drag and drop · press Enter to browse

How to Use

  1. Select the PDF file to split
  2. Choose a split method (All pages or Range)
  3. Enter range like "1-3, 5-7, 10" when using Range mode
  4. Click "Split PDF" button
  5. Split PDFs will be downloaded automatically

All processing is done in your browser, and files are never sent to a server.

Frequently Asked Questions

Yes, you can split all pages into individual PDFs or specify custom page ranges like 1-3, 5-7.
No, splitting preserves the original quality of each page. No re-encoding or compression is applied.
Yes, use the range split mode to specify exactly which pages you want, such as '1-3, 5, 8-10'.
No. All operations are processed entirely inside your browser's local sandbox using client-side APIs (like WebAssembly, pdf-lib, or HTML5 Canvas). Your files and data never leave your device.
The tool is completely free with no usage limits. However, since processing occurs in your browser's memory, we recommend keeping file sizes under 50MB (especially for heavy files like PDFs or videos) to ensure stability.
No. All tools on ConvertBox are 100% free. We do not insert watermarks, limit features, or require any registration or payment.
Yes. Once the page and its local library dependencies are loaded in your browser, the conversion logic runs completely offline without needing an active internet connection.

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