Compress PDF

Use this online PDF compressor to reduce the file size of your PDF documents. Make PDFs smaller to send them via e-mail or upload them to the internet.

Drop Files here Choose File
Basic Compression
Medium file size and high quality
Default
Strong Compression
Small file size and medium quality

Optional Settings

How to reduce PDF file size?

  1. Upload your PDF file.
  2. Choose a compression method (basic, strong, preset).
  3. Turn images in the PDF into grayscale to compress the PDF even more. (optional)
  4. Click on "Start" once you're done.

What does PDF compression entail? The compression of PDF files mostly affects the images inside the PDF. The compression reduces the quality of the images, usually by using their DPI value.

How to reduce PDF file size online? Simply upload your PDF and choose the preset that will give you the desired result. You can upload files from your computer or phone, the internet by using a link or a cloud storage such as Google Drive or Dropbox.