Compress PDF

Efficiently reduce PDF file size online, multiple options are available.

Choose file

From Google Drive
From Dropbox

Or drag and drop files here

Compressing option

Minimum - don't compress image, optimize font and data only Low compression - High image quality, larger file Medium compression - Medium image quality

Maximum - Low image quality, smallest file size Customize image quality(Poor 1-100 Best)

File Uploading 65

This is an encrypted file

This file is encrypted by open password, we can't get access to the content. Please enter the correct open password, and try to convert it again.

This is an encrypted file

This file is encrypted, please select another file or use the Unlock PDF function.

Unlock PDF

The selected file is too large.

Please select a file less than 20 MB. Or purchase CleverPDF for Windows, convert larger files without limitations.

Download Desktop Version

Not a normal file

This file may be damaged or not a normal PDF file. Please try another PDF.

Problem Help

Incorrect input format

The file format you selected is not supported by this feature, please select the correct input format.

Problem Help

Sorry

Please try another option. If maximum compression can’t make it any smaller, the original file may be already compressed very well. Sorry.

Multiple files not supported

Please upload one file only, this feature does not support multiple files.

Problem Help

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Desktop version: 20-in-1 CleverPDF for Mac

More productive way for PDF to Word conversion and other 20 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.

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Reduce the size of your PDF easily online

Shrink PDF file by optimizing the images size and quality, and removing unnecessary data, so you can send a smaller email attachment, or save your disk space. You'll be surprised when a large PDF file is compressed to a smaller file without lossing lots of the details.

Great balance between file size and quality

You can choose the compressing option as you like. It is recommended to try the default option at first, usually it can make PDF smaller and keep high-quality image. If it doesn't work as expected, you can compress the PDF again with other options without uploading the file again..

Safe and free PDF compressing service

Your privacy is guaranteed since no one gets access to your files during the whole PDF compressing progress. File is uploaded via encrypted SSL network and your files will be erased permanently from the server after 30 mins. No sign-up or membership required, upload file anonymously.

Shrink PDF in the cloud for free

It works like a magic in the web browser, you don't need to install any software for your file compressing task. It works on any platform and devices. Unlike the other online PDF services, CleverPDF doesn't require membership or subscription to unlock more features. You can use this free service forever.

How to Compress PDF Online?

Choose and upload the PDF file to 'Compress PDF' tool.
Select a compressing option, It's recommended to try the Medium compressing at first, you can try other options if the file size is not small enough.
Click 'Start Conversion' to begin the online PDF compressing.
Once finished, you can see the file size after compressing and download the compressed file. If the result is not good, click 'Convert this file again' to select another option.