Compress PDF
Optimize your PDF file size without losing quality. 100% secure and local.
ihatetools / pdf / compress
Drag & drop your PDF here
or select one from your device
How it works
01
Upload your PDF
Drop your PDF into the upload area. It never leaves your browser.
02
Optimize
Our tool restructures the internal PDF objects and streams to save space without losing visual quality.
03
Download
Save your newly compressed PDF directly to your device.
Frequently Asked Questions
This tool optimizes the PDF structure. If your PDF is massive because it contains dozens of high-resolution JPEGs, structural compression won't help much — those images need to be re-encoded to see massive savings.
Yes! All optimization happens locally in your web browser. No data is sent to our servers.