About PDF Compressor
Compress PDF files directly in your browser. Choose Extreme, Recommended, or Low compression with real-time file size savings calculation. 100% private.
Key Capabilities & Features
- 3 compression presets (Extreme, Recommended, Low)
- Real-time reduction percentage & savings calculation
- Strips redundant metadata and optimizes font tables
- No file size limits or registration required
How to Use PDF Compressor
Upload PDF
Select or drag your PDF document into the compressor.
Choose Compression Level
Select Recommended (balanced quality/size), Extreme (maximum reduction), or Low.
Download Compressed File
Click Compress PDF and download your optimized, lightweight document.
Privacy & In-Browser Execution Guarantee
PDF compression is computed entirely in your browser using client-side deflate streams. Your confidential documents are never uploaded.
Frequently Asked Questions
How does NEOKYRU compare to iLovePDF for this tool?
Unlike iLovePDF which transmits your private documents to third-party cloud servers with strict file size limits and paywalls, NEOKYRU runs 100% client-side in your browser via WebAssembly. Your files never leave your computer, there are no file size caps, zero queue wait times, and it is 100% free with no registration required.
Will compression reduce text sharpness?
No. Our recommended setting preserves vector typography and line art perfectly while deflating embedded asset streams.
Is my data secure?
Yes, 100% client-side execution means your files never leave your device.