Compress PDF
PopularReduce PDF file size while preserving readability and vector formatting.
100% In-Browser
Select a PDF file to compress
Streamlines internal object streams and removes duplicate elements 100% locally.
Max size: 100MB•100% In-Browser Privacy
How to Use Compress PDF
1
Upload PDF
Select the PDF file you want to reduce in size.
2
Run optimization
The engine analyzes and compresses redundant streams.
3
Download optimized file
Inspect the size reduction and download the resulting file.
Frequently Asked Questions
PDFs that already have highly compressed image streams or consist mainly of raw scanned photos might already be near maximum compression without lossy raster downsampling.