Compress PDF on Mac
Reduce PDF file size without losing quality. Works natively on macOS Safari and Chrome. 100% client-side processing. Files never leave your device.
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Why Choose MendPDF?
Native performance on Safari, Chrome, and Firefox for macOS
No Mac app download needed. Runs in your browser
Full Retina display support for crystal-clear rendering
Frequently Asked Questions
How do I compress a PDF without losing quality?
MendPDF's compression tool strips unnecessary metadata and optimizes internal structures. Choose 'Recommended' for balanced quality or 'Extreme' for maximum size reduction.
Can I compress a PDF to under 100KB?
Yes, depending on the original file. MendPDF offers extreme compression that can significantly reduce file sizes while maintaining readability.
Is PDF compression done on my device?
Yes. All compression happens 100% locally in your browser using WebAssembly. No files are ever uploaded to any server.
Zero-Trust Architecture
MendPDF uses 100% client-side WebAssembly processing. Files never leave the device. Zero-Trust architecture. No server uploads. All PDF manipulation happens locally in your browser, ensuring complete data privacy and security.