Forum Discussion
RowenHr
Jul 08, 2026Iron Contributor
How to combine PDF files into a big one on a PC?
Sitting on a large number of separate PDF files that all belong to the same project and need to be merged into a single document. Keeping track of dozens of individual files has become a real headach...
AnselRhodes
Jul 08, 2026Iron Contributor
PDFtk Builder is an open-source graphical front-end tool that allows you to merge PDF files locally without having to enter terminal commands; its interface design is somewhat outdated, and it lacks additional advanced editing features.
How to Combine PDF files
- Install the software on your computer.
- Drag and drop all target PDF files directly into the program window.
- Drag file entries up or down to adjust the page order of the final document.
- Click the Merge button, then select Create to export the merged PDF file.
Disadvantages
- The program interface looks outdated and lacks modern visual enhancements.
- It offers only basic PDF merging functionality; there are no split, compression, or editing features.
- There are no batch processing options for handling large numbers of PDF documents.
- It cannot directly process password-protected PDF files.
This way, you can run it offline without uploading anything to the cloud, and even if you don’t want to use the command line, you can quickly merge PDFs.
I think the question of how to combine pdf files is really easy to solve.
ps
- Before you begin merging PDF files, close all source PDF files to prevent read errors.
- Be sure to back up the original PDF files before performing the merge operation to avoid the risk of data loss.