Security & Optimization Tools
Protect, redact, compress, repair, linearize, and OCR your PDF documents.
Security
Protect PDF
Add password protection and set permissions (print, copy, edit) on PDF documents.
Unlock PDF
Remove password protection and permission restrictions from a PDF (password required).
Redact PDF
Permanently remove sensitive content by redacting text, images, or areas of a page.
Sign PDF
Add a visual signature by drawing, typing, or uploading an image, plus an optional certificate-based PKCS#7/CMS digital signature.
Optimization
Compress PDF
Reduce file size by compressing images, removing unused objects, and optimizing streams.
Repair PDF
Fix corrupted or damaged PDF files by rebuilding the internal structure.
Linearize PDF
Optimize PDFs for fast web viewing (progressive download / "fast web view").
OCR PDF
Add a searchable text layer to scanned PDFs using optical character recognition.