Step 1. Open PDFgear, and click on Compress PDF in the Hot Tools tab.
Step 2. Click on Add Files to add all the PDFs needed to be compressed.
Step 3. Customize the Compression Level for each file.
Step 4. Click on Compress in the bottom right corner, and the folder with compressed files will be opened automatically.
If the PDFs need to be compressed with the same compression level, select the compression level at the bottom to set for all files uniformly.