How to compress a pdf file to reduce the size before emailing on Windows?

For those comfortable with command-line tools, pdfsizeopt is a specialized, cross-platform program specifically designed to convert large PDF files into small ones.

Key features:

• Cross-platform — Works on Windows, Linux, and macOS
• Focus on optimization — Developed specifically for reducing PDF file sizes
• Collection of best practices — Uses proven optimization techniques

How to Compress a PDF Using pdfsizeopt (Step by Step)

Step 1: Obtain pdfsizeopt

Step 2: Open a Command Prompt

• You'll need to use the Command Prompt (cmd) or PowerShell since pdfsizeopt is a command-line application. Navigate to the folder containing your PDF file, or ensure pdfsizeopt is in your PATH.

Step 3: Run the Basic Compression Command

• The simplest way to learn how to compress a PDF with pdfsizeopt is to use the basic command structure:

bash

pdfsizeopt input,pdf output.pdf

• For example, if you have a file called thesis.pdf that you want to compress to thesis_optimized.pdf, you would run:

bash

pdfsizeopt thesis,pdf thesis _ optimized,pdf

Step 4: Use Advanced Options for Maximum Compression

Step 5: Batch Process Multiple PDFs