Password Protect PDF Online – Encrypt Your PDF for Free

Secure your PDF with a password in seconds. Anyone who tries to open the file will need the password you set. Perfect for sensitive documents.

We use cookies to improve your experience and analyze traffic. We never sell your data.Privacy Policy ·GDPR Info
✦ 2-day free trial · Auto-renews at $9/mo

All your file tools,
in one place

Convert, compress, merge, split and edit PDFs and documents. Fast, secure, and beautifully simple.

256-bit encryption
Files deleted in 1hr
14-day money-back
4.2M+
Files converted
98,000+
Happy users
99.9%
Uptime
4.8 ★
Average rating

PDF & File Tools

Pick a tool to get started instantly

PDF to Word
Keep formatting intact
Word to PDF
Perfect conversion
Compress PDF
Reduce up to 80%
Merge PDFs
Combine multiple files
Split PDF
Extract pages
JPG to PDF
Images to document
PDF to JPG
Every page as image
Excel to PDF
Spreadsheets, clean
PPT to PDF
Slides preserved
Rotate PDF
Fix orientation
Watermark
Brand your files
Protect PDF
Password lock
BANK-LEVEL SECURITY

Your files are safe with us

We treat your documents with the same care you do.

256-bit Encryption
All transfers use SSL/TLS encryption — same standard as your bank.
Auto-Deleted in 1hr
Files are permanently wiped from our servers after processing.
Zero Human Access
Our servers process files automatically. No human ever sees your content.
CA
PIPEDA Compliant
Fully compliant with Canada's federal privacy law for all Canadian users.
US
CCPA Compliant
California Consumer Privacy Act compliant — US users can request data deletion anytime.
EU
GDPR Compliant
Full compliance with EU General Data Protection Regulation for European users.
US
COPPA Compliant
We do not collect data from children under 13, in line with US federal law.
US
SOC 2 Practices
Our infrastructure follows SOC 2 security practices for data integrity and availability.
No Data Selling
We never sell, rent, or share your personal data or files with third parties. Ever.

Simple as 1, 2, 3

No sign-up required for your first conversion

01
Upload your file
Drag & drop or click to browse. We support PDF, Word, Excel, PPT, JPG and more.
02
Choose your tool
Select what you want to do — convert, compress, merge, split, or edit.
03
Download instantly
Your file is ready in seconds. Download it, or save to Google Drive.
14-Day Money-Back Guarantee
Not happy? Get a full refund within 14 days — no questions asked.

Simple, honest pricing

No hidden fees. Cancel anytime. 14-day money-back guarantee.

💳 CARD REQUIRED
Free Trial
$0/2 days
Then $9/mo — cancel anytime before
Full access for 2 days
All tools unlocked
Max 10MB per file
Auto-upgrades to Pro after trial
Cancel before day 2 to avoid charge
After your 2-day trial, you'll be charged. Cancel anytime.
MOST POPULAR
Pro
$9/mo
For individuals & freelancers
Unlimited conversions
Up to 100MB per file
All tools unlocked
OCR text recognition
Priority processing
Business
$29/mo
For teams & companies
Everything in Pro
Up to 500MB per file
Batch processing
API access
5 team seats
Priority support

Frequently Asked Questions

How strong is the PDF password protection?

ClarixPDF uses 128-bit AES encryption to password protect your PDF — industry standard security.

Can I remove the password later?

To remove a password you'll need the original password and a PDF editor. We don't store your passwords.

What happens if I forget my password?

We don't store passwords — make sure to save it somewhere safe before locking your PDF.

Is password protecting a PDF free?

Yes — free 2-day trial gives you full access to all 12 PDF tools.

More PDF Tools

Compress PDFMerge PDFSplit PDFPDF to WordWord to PDFJPG to PDFPDF to JPGExcel to PDFPPT to PDFRotate PDFWatermark PDF