Compress PDF Online
This online PDF compressor helps reduce the size of PDF documents so they are easier to store, upload and share.
Upload your PDF, choose a compression level, and start the compression process. When the optimized PDF is ready, it can be downloaded directly to your device.
How to Compress a PDF
Select your PDF
Choose a PDF document from your device or drag it into the upload area.
Choose compression
Select high compression, balanced compression or high quality.
Download PDF
Start compression and download the optimized PDF when processing finishes.
PDF Compression Options
High Compression
Designed to prioritize a smaller PDF file. Image quality may be reduced more than with the other options.
Balanced Compression
A middle-ground option that attempts to balance PDF file size and image quality.
High Quality
Keeps higher image quality while still allowing the PDF optimization service to reduce file size.
Frequently Asked Questions
How do I compress a PDF?
Select a PDF, choose a compression level, and click Compress PDF. The optimized PDF will be downloaded after processing.
Is this PDF compressor free?
The tool is available for free subject to the current limits of the document conversion service.
Does compression reduce PDF quality?
Compression can affect image quality. Higher-quality settings generally preserve more image quality.
What file format can I upload?
The current tool accepts PDF files.
What is the maximum file size?
The current interface supports PDF files up to 3.5 MB.