PDF Compressor - Shrink PDF Size Online

4.8/5 (1,180+ reviews)

Reduce the file size of your PDF documents instantly without sacrificing quality. No file uploads required - all optimization happens locally in your browser, keeping your data 100% private and secure.

Drag & drop PDF here or browse files

Maximum file size: 100MB

Quick Answers

Is it free?

Yes, OrangeTool PDF Compressor is 100% free with no daily limits or registration required.

Is my data safe?

Absolutely. Your files are processed entirely in your browser. We never upload your data to any server.

How to Compress PDF Without Losing Quality

OrangeTool uses advanced WebAssembly-based compression algorithms to optimize your PDF's internal structure, remove redundant data, and downsample images without affecting readability. Here's how to use it:

  1. Select your PDF files by clicking the box or dragging them in.
  2. Choose your desired compression level.
  3. Click "Compress PDF" to start the process.
  4. Download your optimized files instantly.