Compress PDF File

Upload your PDF and reduce its size — fast and free.

Drag & Drop PDF file here or click to select

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Free PDF Compression – Online Tool

Reduce your PDF file size easily with Ref4.com. Upload your PDF and download the compressed version instantly.

How to Use

  1. Drag & Drop or click to select your PDF file.
  2. Set the image quality (optional) and click Compress.
  3. Download your compressed PDF instantly.

This tool is 100% free, fast, and secure — perfect for sending PDFs via email, uploading online, or saving disk space.