Compress PDF
Reduce the size of your PDF directly in your browser. Choose a compression level and download your optimized file.
How to Compress a PDF
Choose the PDF you want to compress.
Select your preferred compression level.
Start the PDF optimization process.
Download your optimized PDF.
Why Use This Tool?
Reduce large PDF files for easier sharing, storage and uploading while choosing the quality level that works best for you.
Compress PDF Files Online
Tool Digital Hub's PDF compressor helps reduce PDF file size directly inside your browser.
Choose Your Compression Level
Low compression prioritizes image quality, Balanced provides a middle ground, and High compression reduces image resolution and quality further to target a smaller file.
Private Browser Processing
The PDF is processed locally by your browser instead of being intentionally uploaded to a Tool Digital Hub server for compression.
Frequently Asked Questions
Is the PDF compressor free?
Yes. You can use this PDF compression tool for free.
Will every PDF become smaller?
No. Results depend on the original PDF. Image-heavy and scanned PDFs generally offer more opportunities for size reduction.
Does compression affect quality?
Yes. This browser-based method rebuilds pages from rendered images, so stronger compression can reduce visual quality.