Demolition, and Grenades office of the Munitions Armament Center ( MAC ). While it's not as free as the online version, we do offer five days of free usage for you to test our product out. Most documents are available in Adobe PDF format from the ASSIST database via. However, we too have an offline app that will allow doing just this. Unfortunately, Adobe requires a paid subscription for you to merge, annotate, convert and edit your documents. How to merge PDF files with Adobe Reader offline, for free

If you have many documents that need to be processed, you can 'go Pro', for the price of a latte each month ($3/month). The platform was created to solve common document related problems (for our moms). We adopt secure SSL connections for file transfers and delete them after 60 minutes of processing - just enough time for you to edit and download your documents.

Merging PDF documents is one of our most popular tools. You know it! So much that over 18 million people use Smallpdf on a monthly basis to convert their documents.

On top of merging files into a single PDF document, why not: Our web pages also offer quite a few other tools for you to work with, for free. Upload a single document or multiple PDF files into the toolbox (you can drag and drop) > rearrange files or pages positions > Hit 'Merge PDF!'.