Free Online PDF Compression Tool
No registration required. Quickly reduce PDF file size while maintaining document quality. Secure and reliable with batch compression support.
Drag & Drop PDF file here or click to upload
Supports files up to 100MB
Why Choose Our PDF Compression Tool
Secure & Reliable
All file processing happens in your browser, no uploads to servers, ensuring your privacy and security.
Fast Compression
Utilizes advanced compression algorithms to significantly reduce PDF file size in seconds.
Maintain Quality
Smart optimization technology reduces file size while preserving document quality and clarity.
Completely Free
No registration, no hidden fees, unlimited use of our PDF compression service.
How to Use the PDF Compression Tool
Upload PDF File
Click upload button or drag & drop PDF file to the designated area
Automatic Compression
Our tool will automatically optimize and compress your PDF file
Download File
Once compression is complete, download the optimized PDF to your device
Frequently Asked Questions
Our compression algorithm is optimized to reduce file size while maintaining visual quality as much as possible. For PDFs with many images, image resolution may be slightly reduced to decrease file size.
Extremely secure! All file processing happens in your browser and is not uploaded to any servers. Your files never leave your device, ensuring the highest level of privacy protection.
We support PDF files up to 100MB. For larger files, we recommend splitting them first or using other tools for preprocessing.
Yes, our PDF compression tool is completely free, requires no registration, and has no usage limits. We are committed to providing high-quality free tools for users.