Select PDF File to Protect
Drag & drop a PDF file here or click to browse
Add a password to your PDF file to restrict access. Use Karlo's tool to encrypt PDF documents and prevent unauthorized viewing, editing, or copying.
Drag & drop a PDF file here or click to browse
Process your files quickly with our optimized backend
Your files are processed securely and deleted immediately
All tools are completely free with no hidden charges
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Combine multiple PDF files into one document
Extract specific pages from your PDF
Reduce PDF file size while maintaining quality
Convert PDF files to editable Word documents
Convert Word documents to PDF format
Convert PDF pages to high-quality images
Convert images to PDF documents
Add your signature to PDF documents
Remove password protection from PDFs
Add password protection to your PDFs
Add text watermarks to your PDF pages
Rotate PDF pages to the correct orientation
Make scanned PDFs searchable with OCR
Fix corrupted or damaged PDF files