Online PDF tool
Compress PDF Online
Compress PDF files online and reduce PDF file size with low, medium, or high compression when server compression is available.
Encrypted server processing. Your file is uploaded over HTTPS and stored temporarily for this task. Uploads and results currently expire within 24 hours.
Start with your file
Encrypted uploadHow it works
How to Compress PDF Files Online
Upload your file, choose any required options and download the result.
- 1
Upload
Choose the PDF file you want to reduce in size.
- 2
Choose compression
Select high, medium, or low compression depending on your needs.
- 3
Download
Download the compressed PDF and compare the before and after file size.
Compress PDF for sharing
Reduce PDF file size for email, uploads, storage, or faster document sharing.
Free PDF compressor workflow
Choose a compression preset and create a smaller PDF when the Ghostscript backend is available.
Balanced compression presets
The Ghostscript backend supports practical compression levels for different quality and size tradeoffs.
Secure PDF compression
Compression runs in your Node backend environment without calling external conversion services.
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