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 fileThis 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. The selected file is too large.Please select a file less than 20 MB. Or purchase CleverPDF for Windows, convert larger files without limitations.
Not a normal file This file may be damaged or not a normal PDF file. Please try another PDF. Incorrect input formatThe file format you selected is not supported by this feature, please select the correct input format.
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.More productive way for PDF to Word conversion and other 24 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files.
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.
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.
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..
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.
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.