The best pdf merger on Windows 11 for combining PDF files?

PDFsam Basic is an excellent PDF merging tool that works offline without requiring file uploads and preserves formatting.

Instructions: Open the software and select the Merge module. Click the Add button and select all PDF files; drag and drop the files to reorder them into the correct sequence.

Select output settings: Click Browse to choose a save location for the merged PDF; leave the remaining options at their default settings.

Click “Run” and wait a few seconds—your merged PDF is ready. The result is a single PDF file that combines all pages while preserving the original quality.

Its advantages include: open-source, offline use, no watermarks, and no file size limits.

Its disadvantages are: the interface is slightly outdated, although the functionality remains very powerful.

This allows you to merge multiple PDFs into a single file while maintaining the original quality, making it a reliable PDF merging tool for everyday use. It is suitable for users who need a simple, offline PDF merging solution without extra features.

If you prefer not to use online tools or upload files, you can try this method. It is a simple, straightforward, and no-frills tool, so if you require advanced editing features beyond merging, please consider this carefully.