Offline tool for splitting heavy PDF files?

If you're looking for an offline solution to split heavy PDF files, I recommend the PDF Split tool from ost to pst pdf spliter tool. This tool works offline, ensuring your files are secure and not uploaded to third-party servers. It’s designed to handle large PDF files without any hassle, preserving the original formatting and quality. Whether you want to split by page number, range, or create separate files for each page, this tool has got you covered. The software is easy to use and requires no technical knowledge. Plus, it supports all Windows versions, including the latest Windows 11. You can also try the demo version before committing.