Reduce PDF file size — all in your browser, nothing uploaded
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Yes, it is completely free with no hidden charges or watermarks. Compress as many PDF files as you like.
No. All processing happens entirely in your browser using JavaScript. Your files never leave your device, ensuring complete privacy.
Typical compression rates range from 20% to 80%, depending on the original file content. Files with many images compress more than text-only files. Higher compression levels result in smaller file sizes but may reduce image quality.
Three levels: Low (minimal quality loss, ~20-40% reduction), Medium (good balance, ~40-60% reduction), and High (maximum compression, ~60-80% reduction).