How to Merge PDFs Securely (Offline Methods Only)

How to Merge PDF Files Using Adobe Acrobat (Step-by-Step)
1. Open Adobe Acrobat.
Launch Adobe Acrobat (not the free Acrobat Reader).
2. Go to the "Tools" tab.
In the upper left corner, click on “Tools.”
3. Select "Combine Files."
Find and click on “Combine Files” under the “Create & Edit” section.
4. Click "Add Files."
In the Combine Files window, click the “Add Files” button to select the PDFs you want to merge.
5. Arrange the files.
After adding the files, drag and drop them to reorder if necessary.
6. Click "Combine."
Once you're ready, click the “Combine” button at the top right.
7. Save the new PDF.
After the files are combined, go to File > Save As, and choose a location and name for the merged PDF.

How to merge PDFs with PDF24 (Step-by-Step):
1. Open the PDF Merge Tool
Navigate to PDF24 Merge Tool in your browser.
2. Upload Your PDF Files
Click the “Choose files” button (or drag and drop files directly into the window).
Select all the PDF files you want to merge from your computer.
3. Arrange the File Order
Once the files are uploaded, you’ll see thumbnails of each PDF.
Drag and drop the thumbnails to reorder them as you like.
4. Merge the PDFs
Click the “Merge” button at the bottom.
5. Download the Merged File
After processing, click “Download” to save your new merged PDF to your device.

How to merge PDFs with Preview on Mac (Step-by-Step)
1. Open the First PDF
Right-click (or Control-click) the first PDF file.
Choose Open With > Preview.
2. Enable the Thumbnails View
In Preview, go to the top menu and click View > Thumbnails.
A sidebar with page thumbnails will appear on the left.
3. Open the Second PDF
Open Finder and locate the second PDF file.
Drag and drop that file into the thumbnail sidebar of the first PDF where you want it to go (before or after a certain page).
4. Rearrange Pages (if needed)
Drag thumbnails in the sidebar to reorder them.
5. Save the Combined PDF
Go to File > Export as PDF (or just File > Save if you’ve overwritten the original).
Choose the name and location for the merged file.

How to merge PDF files using PDF Expert on Mac (Step-by-Step):
1. Open PDF Expert
Launch the PDF Expert application on your Mac.
2. Access the Merge Feature
Click on the File menu located at the top left corner of the screen.
Select Merge Files from the dropdown menu.pdfexpert.com+1pdfexpert.com+1
3.Select the PDF Files to Merge
In the dialog that appears, choose two or more PDF files you wish to combine.
Click Merge to initiate the merging process.pdfexpert.com
4. Save the Merged PDF
After the merge is complete, save the new combined PDF file to your desired location.