If a compression level makes your file larger, our system automatically tries the next level. Always get a smaller file. No uploads, 100% private.
Click the upload box or drag & drop your PDF file.
Select Low, Medium, High, or Ultra. The system will auto-fallback if needed.
Click Compress and download your smaller PDF instantly.
If a compression level makes your file larger, our system automatically tries the next level until the file becomes smaller than the original.
4 levels: Low (best quality), Medium (good balance), High (significant reduction), and Ultra (maximum compression).
No. All processing happens locally in your browser. Your files never leave your device.
Files under 50MB work best. Larger files may take longer to process since everything runs in your browser.
Ultra is the highest compression level (quality 0.25). It creates the smallest file size, ideal for email attachments or storage.