Reduce PDF file size while preserving quality. Perfect for email attachments and web uploads.
Upload your PDF file and select compression level
or click to browse files
Follow these simple steps to reduce your PDF file size
Click the upload button or drag and drop your PDF file into the designated area.
Choose your desired compression level from low to extreme.
Use the quality slider to fine-tune the compression results.
Click the compress button and download your optimized PDF instantly.
Find answers to common questions about PDF compression
Compression can affect quality, especially at higher levels. Our tool uses smart algorithms to minimize quality loss while maximizing file size reduction. For important documents, we recommend testing different compression levels.
You can compress PDFs up to 50MB in size. For best results with very large files, we recommend compressing in stages or using our desktop application.
Reduction depends on the original file. Image-heavy PDFs can often be reduced by 50-80%, while text-based PDFs typically see 20-50% reduction. Extreme compression can achieve even greater savings but may affect quality.
Yes, all processing happens in your browser. Your files never leave your computer, ensuring complete privacy and security. We don't store or access your documents after processing.
Yes, our PDF compressor is 100% free with no hidden charges or watermarks. We may show ads to support the service, but the functionality is completely free.