Compress PDF

Free online reduce the size of your PDF.

How to compress a PDF

Add a PDF document in the toolbox by either dragging and dropping it or by clicking the "Add file" button, wait for the compression to complete and download your file.

Compress PDF files online for Free

Reduce the size of your PDF files without sacrificing quality or losing important information.

Privacy guaranteed

You care about privacy. We care about privacy all the files are securely stored on our servers and then deleted automatically. We are not store any file after 1 or 2 hours.


Filename extension .pdf
Internet media type
  • application/pdf
  • application/x-pdf
  • application/x-bzpdf
  • application/x-gzpdf
Type code 'PDF ' (including a single space)
Uniform Type Identifier (UTI) com.adobe.pdf
Magic number %PDF
Developed by Adobe Inc. (1993–2008)
Initial release 15 June 1993 - 28 years ago
Latest release 2.0
Extended to PDF/A, PDF/E, PDF/UA, PDF/VT, PDF/X


How to reduce a PDF size online

1 To start, upload your file to our PDF compressor.
2 Our tool will automatically start to shrink the file.
3 Continue to modify your PDF document if needed.
4 Download the compressed PDF file to your computer.


  1. This tool is FREE!
  2. Simple, easy to use online.
  3. Unlimited upload PDF file and convert.
  4. Design with many browsers & devices.
  5. Help saved money and time.