Free PDF Compressor — Shrink PDF Size (No Upload)
Reduce your PDF size by converting pages to optimized images. Everything runs locally in your browser.
Why use this
- Privacy‑friendly: files never leave your device
- Simple controls for quality vs. size
- Great for scanned documents and heavy image PDFs
How to compress
- Select a PDF file
- Adjust the quality slider (lower = smaller size)
- Click Compress PDF
- Download the optimized file
Notes
- This method rasterizes each page as an image to reduce size
- Vector graphics and selectable text become images
- Ideal when PDFs are mostly scans or pictures