Scanned Documents use-case
Grayscale PDF for Scanned Documents
Scans are bulky, image-only, and often crooked. Grayscale PDF on CrispPDF turns raw scans into searchable, smaller, properly-oriented PDFs in seconds — perfect for receipts, ID copies, and archive material.
- Make scans searchable with built-in OCR
- Shrink image-heavy scans 50–80%
- Auto-rotate and clean up page orientation
- Convert colour scans to lighter grayscale
// FAQ
Frequently asked
+Is Grayscale PDF for scanned documents really free?
Yes. CrispPDF is 100% free with no daily limits, no signup, and no watermark — for personal and commercial use.
+Are my files safe?
Yes. Grayscale PDF runs entirely in your browser — files never reach our servers.
+Do I need to install anything?
No. Open the page in any modern browser on desktop or mobile.