PDF File Compressor
PDF Compressor Tool
Drag & Drop PDF File Here
or
Lower quality = smaller file size
Lower DPI = smaller file size
Compressing PDF…
0% complete
File Information
Original File:
–
– pages
Compressed File:
–
–
Compression Complete!
Your file was successfully compressed.
Features of this PDF Compressor:
- Client-Side Processing:
- All compression happens in the browser (no server needed)
- Uses PDF.js for reading PDFs and PDF-lib for creating new PDFs
- Compression Controls:
- Adjustable quality (10-100%)
- Adjustable resolution (72-300 DPI)
- Real-time preview of settings
- User-Friendly Interface:
- Drag and drop file upload
- Progress indicator during compression
- File size comparison before/after
- Clean, responsive design
- Technical Approach:
- Converts PDF pages to JPEG images with customizable quality
- Rebuilds PDF with compressed images
- Maintains original page dimensions
- Privacy Focused:
- Files never leave your computer
- No server upload required
How to Use:
- Drag and drop a PDF file or click "Select PDF File"
- Adjust compression settings (quality and resolution)
- Click "Compress PDF"
- When complete, click "Download Compressed PDF"
Note: For very large PDFs (100+ pages), the compression process may take some time as it's all done in the browser. The compression works best on PDFs that contain scanned images or photographs. Text-heavy PDFs may not compress as effectively with this method.