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Compress PDF Online

Upload your PDF file and get the compressed copy

How to compress PDF online

Choose from the computer, Dropbox, URL or drag-and-drop your PDF file in the box. Allow a few minutes to reduce PDF size. Download your compressed PDF.

Minimize PDF with perfect quality

Downsize PDF online in a few clicks with PDF optimizer tool. Upload necessary docs into the window and get compressed files with reduced size and best quality.

Compress large PDF files

PDF file reducer helps to work with big documents and to shrink them. Resize PDF online using this tool by dropping your file and converting it to a smaller PDF in a few seconds.


Upload PDF files with SSL protocol. The system will remove all the files after the operation is done. Compressed PDFs will no longer remain on servers.

No software to install

PDF optimizer online works smoothly to compress PDF file and does not require any other additional software.

Alternative conversions

You may also sign pdf, split pdf, merge pdf with PDF.co