Compress PDF

Use this online PDF compressor to reduce the file size of your PDF documents. Make PDFs smaller to send them by email or upload them online.

Compress PDF
Reduce PDF file size while maintaining quality

What does PDF compression do?

It mainly affects the images inside your PDF. The compression reduces their quality, usually by lowering their DPI value.

How can I reduce PDF file size online?

Simply upload your PDF and choose a compression method to get the result you want. You can upload files from your computer or phone, from a URL, or from cloud storage services such as Google Drive or Dropbox.

How to reduce PDF file size:

  1. Upload your PDF file.
  2. Choose a compression method (basic, strong, preset, percentage, or target size).
  3. Convert images in the PDF to grayscale to compress the file even more. (optional)
  4. Click "Start" when you are ready.
Secure & Private

All conversions happen locally in your browser. Your files are never uploaded to our servers, ensuring 100% privacy and security for your sensitive documents.

Lightning Fast

Experience instant conversions without waiting for file uploads or downloads. Our optimized algorithms ensure the fastest processing speeds possible.

Universal Access

Access Compress PDF from any device - Windows, Mac, Linux, iOS, or Android. No software installation or registration required.

High Quality

Maintain the highest possible quality during conversion. We use advanced processing to ensure your files look exactly as intended.

About Compress PDF

Use this online PDF compressor to reduce the file size of your PDF documents. Make PDFs smaller to send them by email or upload them online.

Why Use Our Compress PDF?

  • Free to use forever - no hidden costs or subscriptions
  • No file size limits or usage restrictions
  • Works offline - once loaded, you can use it without internet
  • Clean, user-friendly interface designed for efficiency

Frequently Asked Questions

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