I hated using online tools for merging my PDF files so I wrote a Python 3.6 script to merge all PDF files in a folder to a new PDF file.

Usage

Put the script (or the executable, if you prefer to download binaries from the releases) and the pdf files you want to merge in the same folder.
Run the script (or the executable).
The merged pdf will be created as OUTPUT.pdf
Merge order is alphabetic.

Installation

pip install pikepdf
git clone https://github.com/gonultasbu/pdf_merge 

TODO

• PDF Reordering
• Compression
• Web App