Free PDF Protector (No Signup)
Updated August 2025·1 tools·Click to use
All tools here work without creating an account. We verify and note limits like watermarks or daily caps.
iLovePDF Protect PDF
Encrypt PDF documents with a password to prevent unauthorized access and protect sensitive information.
pdfprotectpasswordencrypt+1 more
Features
- Add password protection to open document
- Strong encryption for PDF files
Usage Info
Has ads
No watermark
Daily use: unlimited
Max file: 200 MB
Pros
- •Easy to add security to PDFs
- •Provides basic encryption
- +1 more
Cons
- •Ads present in the free version
- •File size limitations on free tier
Aug 18, 2025
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Alternative to: Smallpdf Protect PDF, PDF24 Tools - Protect PDF