Can I use Protect PDF for free?
Yes. Your first eligible task can be completed before login. TapScanner shows the current file, page, and daily limits before processing.
Online PDF tool
Password-protect a PDF online
Add an opening password to sensitive documents before you send, upload, or archive them, then share the password separately.
No installation required. Your first eligible task can be completed before login. TapScanner has 100M+ mobile downloads.
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Protect PDF
TapScanner web workspace
✓Add an opening password
✓Protect sensitive documents
✓Create a secured PDF copy
Current file, page, usage, and Premium limits are shown in the tool before processing.
How it works
Protect PDF: complete the job in three steps
- 01
Select the PDF you want to protect.
- 02
Enter and confirm a strong password.
- 03
Apply protection and download the secured PDF.
One connected workspace
Continue your workflow after Protect PDF
Outputs stay in the TapScanner workspace so you can move directly into the next relevant PDF action.
Questions
Protect PDF FAQ
Can TapScanner recover a forgotten PDF password?
No. Store the password safely and share it separately; losing it can make the protected document inaccessible.
Do I need to install software for Protect PDF?
No. TapScanner runs in a modern web browser, so you can upload, process, and download the result without installing desktop software.
Ready to use Protect PDF?
Open the tool and see the applicable limits before processing.
Open Protect PDF