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.