compress pdf


Compress PDF files

Optimize the file size of your PDFs online using CloudConvert. CloudConvert provides various optimization profiles to create PDF documents for specific target needs. You can select one of the following profile using the advanced options ().

Optimization for the web (Default profile)
  • Remove redundant and unnecessary data for the web
  • Down-sample, clip, and intelligently compress images
  • Merge and subset fonts
  • Convert colors to RGB
Optimization for print
  • Remove redundant and unnecessary data for printing
  • Down-sample, clip, and intelligently compress images
  • Merge and subset fonts
  • Convert colors to CMYK
Optimization for archiving purposes
  • Remove redundant and unnecessary data for archiving
  • Intelligently compress images
  • Merge and subset fonts
Optimization for maximal size reduction
  • Use the maximal possible compression
  • Might slightly reduce the visual quality
Optimization for scanned images
  • Profile optimized for PDFs that mainly consist of raster images
  • Compress the images without significantly reducing the visual quality

Portable Document Format pdf

PDF is a document file format that contains text, images, data etc. This document type is Operating System independent. It is an open standard that compresses a document and vector graphics. It can be viewed in web browsers if the PDF plug-in is installed on the browser.


218 formats supported

CloudConvert supports the conversion between more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats. Check the supported formats for more details.

file conversion in the cloud

There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Don't worry, your files are safe and only you can access them. They will be deleted again as soon as your conversion is finished.

advanced features

Most conversion types support advanced options, for example setting the codecs of audio/video files. Also, we support batch converting and folder monitoring!

powerful API

The CloudConvert API offers the full functionality of CloudConvert and makes it possible to use the conversion services in your own applications.


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