How the tool works
Open one PDF and choose ranges, one file per page, or a fixed number of pages per file. Generate the documents and download them separately or together in a ZIP.
Supported input and output
Ranges use one-based page numbers such as 1-3, 4-6. Every comma-separated range becomes an independent PDF while the original remains unchanged.
Practical example
Split a ten-page report with 1-2, 3-8, 9-10 to create a cover section, main report, and appendix.
Common use cases
Extract chapters, separate scanned receipts, distribute selected pages, prepare attachments, or break a large handout into smaller documents.
Limits and important checks
The tool does not bypass passwords and cannot repair severely damaged files. Creating many outputs at once can require substantial browser memory.
Privacy and local processing
Unless the tool explicitly identifies an external lookup, input and generated output are processed in your browser and are not uploaded to CosmoTools. Avoid placing secrets in any web page and review downloaded results before using them in production.
Frequently asked questions
How do page ranges work?
Enter ranges separated by commas, such as 1-3, 4-6. Each comma-separated range creates one PDF.
Can I download every page at once?
Yes. The tool provides individual downloads and a ZIP when more than one file is generated.
Does splitting reduce PDF quality?
No. Existing pages are copied into new documents without converting them to images.