Why Tools Ku
- 100% free, no signup
- Local rasterization—PDF not uploaded
- Adjustable scale, Worker accelerated
- Multi-page ZIP download
Turn each PDF page into images for slides, chat, websites, or OCR prep. pdf.js renders in-browser with Web Workers; export PNG and ZIP.
Higher scale = sharper output but more time and memory. Fully local—files never leave your device.
Steps
- Upload a PDF
- Choose format and scale factor
- Export and wait for per-page rendering
- Download images or ZIP
FAQ
- Uploaded to a server?
- No—all rendering is local.
- Output format?
- PNG by default. Try PDF to JPG for JPEG output.
- Large PDF slow?
- Lower scale or split pages first.
- Scan quality?
- Higher scale helps but cannot exceed source clarity.
- Mobile?
- Works but large jobs are better on desktop.
- Reverse operation?
- Use Images to PDF to combine images into a PDF.