Compress and Optimize PDF

CloudConvert is an online PDF compressor. Our online tool reduces the size of PDF files by applying various optimizations. Depending on the input file, we can reduce the size up to 75% while retaining good quality.

convert to

compress

capture website as

create archive

extract

Options

PDF Optimizing Profiles

You can select one of the following profile, depending on your needs:

web 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
print 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
archive Optimization for archiving purposes
  • Remove redundant and unnecessary data for archiving
  • Intelligently compress images
  • Merge and subset fonts
mrc Optimization for scanned images
  • Profile optimized for PDFs that mainly consist of raster images
  • Compress the images without significantly reducing the visual quality
max Optimization for maximal size reduction
  • Use the maximal possible compression
  • Might reduce the visual quality

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.

+200 Formats Supported

CloudConvert is your Swiss army knife for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.

Data Security

CloudConvert has been trusted by our users and customers since its founding in 2012. No one except you will ever have access to your files. We earn money by selling access to our API, not by selling your data. Read more about that in our Privacy Policy.

High-Quality Conversions

Besides using open source software under the hood, we’ve partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.

Powerful API

Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the API documentation.