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.

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Basic compression
Medium file size, high quality

Default

Strong compression
Small file size, medium quality

Choose a preset page size

Compress to target file size

Beta

Compress for email

Optional settings

Grayscale images and text

Convert all images and text to grayscale to reduce the file size.

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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 preset 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

Upload your PDF file.
Choose a compression method (basic, strong, preset).
Convert images in the PDF to grayscale to compress the file even more. (optional)
Click "Start" when you are ready.

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