Reduce PDF file size online for free while maintaining high quality. Our PDF compressor works in your browser No uploads, no data collection, no compromises on privacy, no software installation required. Compress large PDF files for email, web sharing, and storage optimization.
Drop PDF to compress instantly
Or click to select a file • Max 100MB • 100% private
PDF Compressor with advanced features, built for privacy, speed, and convenience
Discover the benefits of PDF compression for your workflow
Reduce PDF size to fit email attachment limits. Share documents easily without file size restrictions.
Smaller PDF files upload faster to cloud storage, websites, and online forms.
Compressed PDFs take up less storage space on your device and cloud accounts.
Smaller files load faster on websites and mobile devices, improving user experience.
Understanding PDF file size reduction and optimization
PDF compression is the process of reducing the file size of Portable Document Format (PDF) files by removing redundant data, optimizing images, and applying advanced compression algorithms. This technique allows you to make PDF files smaller while preserving document quality, readability, and formatting.
Reduces file size without any quality loss. Perfect for text documents, forms, and professional documents where every detail matters.
Achieves higher compression ratios by slightly reducing image quality. Ideal for documents with many images where smaller file size is prioritized.
Combines both methods - lossless for text and lossy for images. Provides optimal balance between file size and quality.
Reduce PDF file size in 3 simple steps
Drag and drop your PDF file into our compressor tool above,
Select high, medium, or low compression based on your quality and size requirements.
Get your optimized PDF file instantly. No registration or payment required.
Everything you need to know about PDF compression
Simply drag and drop your PDF file into our compressor tool above, choose your compression level, and download the compressed file. No registration or payment required.
Our compression algorithm is designed to maintain visual quality while reducing file size. You can choose different compression levels to balance between file size and quality based on your needs.
Yes, iCompressPdf.com processes files entirely in your browser. Your PDF files never leave your device or get uploaded to any server, ensuring complete privacy and security.
You can compress PDF files up to 100MB in size. For larger files, consider splitting them first or contact us for enterprise solutions.
Currently, our free tool processes one PDF at a time. For batch compression features, check out our premium plans with advanced processing capabilities.
Yes! Our PDF compressor works on all devices including smartphones and tablets. The tool is optimized for mobile browsers and touch interfaces.