PDF Compressor
Reduce PDF file size instantly without losing quality — 100% free, no signup, no file uploads
Drag & drop PDF files here
or
70%
All processing happens in your browser. Your files never leave your device.
1
Upload PDF
Drag & drop or click to select
2
Adjust Settings
Choose quality & resolution
3
Compress
Click compress — processing locally
4
Download
Save your compressed PDF
Fast & Secure
Compress PDF in seconds. All processing happens locally in your browser.
No Uploads
Your files never leave your device. Maximum privacy and security.
100% Free
No subscriptions, no watermarks, no hidden fees. Unlimited compressions.
Works Anywhere
Compatible with Chrome, Safari, Firefox, Edge — on mobile and desktop.
Adjustable Quality
Choose between smaller file size or better image quality.
Batch Processing
Upload multiple PDFs and compress them one by one.
Frequently Asked Questions
Is this PDF compressor really free?
Yes, 100% free with no hidden fees, watermarks, or registration. Unlimited compressions.
Is my data secure?
All processing happens locally in your browser. Your PDF files never leave your device.
Will compression affect quality?
You can adjust quality settings to balance between file size and image clarity.
Can I compress multiple PDFs at once?
Yes, you can upload multiple PDF files and compress them one by one.
What file sizes are supported?
Most PDFs up to 100MB are supported. Larger files depend on browser memory.
What compression method is used?
Our tool converts PDF pages to optimized JPEG images and rebuilds the PDF for maximum size reduction.