Compress PDF File Size Online
Reduce your PDF file size without losing quality. Our intelligent compression algorithm optimizes images and removes unnecessary data to make your PDF smaller while keeping it looking great.
✓ Free✓ No registration required✓ Secure✓ Files deleted after 1h
Drop files here or click to upload
PDF files only
How to Compress a PDF
- 1
Upload your PDF file
- 2
Choose compression level (low, medium, high)
- 3
Click 'Compress PDF' and download
Features
- Three compression levels
- Preserves text quality
- Reduces image size intelligently
- See size reduction percentage
- Batch compress multiple files
Frequently Asked Questions
How much can I reduce a PDF file size?▾
Compression results vary by content. PDFs with many images can often be reduced by 50-80%. Text-only PDFs typically compress less.
Will compression affect the quality of my PDF?▾
Our 'Low' compression setting maintains near-original quality. Higher settings reduce file size more but may slightly reduce image quality.
What is the maximum file size I can compress?▾
You can compress PDF files up to 100MB for free.