Adobe Acrobat Pro DC will set you back $14.99 per month, but you can get a 7-day free trial. It's a paid tool, after all, but there was one free tool that performed better with default settings. In the Canon IJ Scan Utility window that opens, click SETTINGS. To do this, please follow these steps: 1. Clear unused space Use the PDF Optimizer. We can set the PDF compression option to HIGH in the IJ Scan Utility, and also select the option to compress scanned images upon transfer to reduce the file size of the PDF. Compress PDF with Adobe Acrobat or Nitro. Using default setting, our sample file shrunk from 11,775KB to only 212KB, making Adobe Acrobat Pro one of the most effective PDF compressor in this list. Here are 5 ways to make your PDF smaller: Re-save the PDF to reduce PDF size. To help with this, in the Advanced Optimization window, click Audit Space Usage, and you'll be able to see how much space each kind of element is taking up within the file. If you click Advanced Optimization, you'll have more options to ensure you maintain the quality you need. Once you click Save, Acrobat will apply default settings to your file to attempt to reduce its size. Note : Just take a PDF with 25.7MB for example.
Click the Save button to export a compressed PDF file. Step 3 Unfold the options of Quartz Filter and choose the Reduce File Size. Next, you'll choose the file location and name. Step 2 Go to the File menu and choose the Export option, you can access to the Quartz Filter layer to reduce PDF file size on Mac. PDF optimizer will not change the resolution of. With this tool, You can upload and optimize multiple files at the same time (batch processing). when you wish to save bandwidth or fit the file within e-mail attachment file size limits. If you click Reduce File Size, you can choose to reduce a single or multiple files. This page lets you optimize and compress PDF files to decrease file size, e.g. A toolbar with a few options will appear just above the PDF. To get to this, open your PDF in Acrobat, click Tools > Optimize PDF. B&W scanning willl always give you the smallest sized file. If there are no pictures scanning greyscale or B & W will also shrink the size of the file immensely. Most scanners try to scan at the highest resolution, usually 200 to 300 dpi is sufficient. You can usually control the dpi (dots per inch). This is one of the best and easiest ways to shrink a PDF document. The best way to control the size of the file is at scanning time. If you have Adobe Acrobat installed on your computer, there's a tool within the application called “PDF Optimizer”.