Protect PDF
Add AES-256 password encryption and fine-grained permissions to your PDF — 100% in your browser, nothing uploaded.
Drop your PDF here
or click to browse
PDF up to 50MB
No adsNo signupNo file uploadsUnlimited use
Why choose ours?
Private, powerful, free
Every competitor uploads your file to their server. Ours never does — encryption happens entirely in your browser.
| Feature | SmallPDF | iLovePDF | Sejda | PDF24 | Adobe | Ours |
|---|---|---|---|---|---|---|
| Free & unlimited | ✗ 2/hr | ✗ Daily | ✗ 3/hr | ✓ | ✗ Paid | ✓ |
| No account needed | ✗ | ✗ | ✓ | ✓ | ✗ | ✓ |
| Files stay in browser | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ |
| No ads or interruptions | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ |
| AES-256 encryption | ✗ | ? | ✓ | ✓ | ✓ Pro | ✓ |
| Open + owner passwords | ? | ✓ | ✓ | ✓ | ✗ Free | ✓ |
| All permission controls | ✗ | Partial | ✓ | ✓ | ✗ Free | ✓ |
| Password strength meter | ✗ | Basic | ✗ | ✗ | ✗ | ✓ |
| Watermark + protect | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ |
| Protection summary | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ |
Competitor information was accurate at time of publication and may have changed.