Add Watermark to PDF Online — Free PDF Watermark Tool
Add professional watermarks to your PDF documents in seconds. Choose from preset labels like "CONFIDENTIAL" or "DRAFT", or type your own custom text with full control over transparency, size, and position.
Perfect for protecting sensitive documents, marking drafts, or branding your PDFs for work and business use.
Drop your file here, or browse
PDF file · Max 10 MB free
Free account required
Create a free account to use this tool — no credit card needed. You'll get 40 free credits every month!
Private & Secure
Files encrypted in transit and automatically deleted after your session ends.
Lightning Fast
Cloud-powered processing means most files are ready in under 10 seconds.
100% Free
Free for files up to 10MB. No hidden fees, no watermarks on output.
Security & Compliance
SSL/TLS Encrypted
Encrypted in transit
Auto-Deleted
Files removed after session
Processed Securely
Secure cloud infrastructure
No Tracking
No ads, no data selling
How to Add Watermark
Upload your PDF file
Click the upload area or drag and drop your file. Multiple file formats are supported.
Choose your settings
Our system processes your file securely. Most conversions complete within seconds.
Download your PDF file
Your processed file is ready instantly. Click download and your file will be saved to your device.
Why use Add Watermark?
- Mark confidential documents before distribution
- Add "DRAFT" to documents under review
- Brand PDFs with your company name or logo
- Add "SAMPLE" or "COPY" watermarks for reference docs
- Deter unauthorized copying of your content
When should you use this?
- Sharing sensitive documents with external parties
- Circulating draft versions for internal review
- Branding proposals or reports for clients
- Marking proof copies of design or print materials
- Adding ownership identifiers to shared content
Is it secure?
Files Deleted After Session
Your files are automatically deleted when your session ends. We do not store, read, or share your documents.
Encrypted in Transit
All file transfers are protected with SSL/TLS encryption, ensuring your data is secure during upload and download.
Processed Securely
Files are processed on secure cloud infrastructure. No human ever accesses your documents during processing.
No Ads or Tracking
We don't serve ads, track your activity, or sell your data to third parties. Your privacy comes first.
Frequently Asked Questions
What text can I use as a watermark?
Anything you want! Common options include CONFIDENTIAL, DRAFT, SAMPLE, DO NOT COPY, or your company name.
Can I control how visible the watermark is?
Yes. You can set transparency from fully opaque to nearly invisible, plus control the size and rotation angle.
Will the watermark appear on every page?
Yes, the watermark is applied to all pages of your PDF document.
Related tools
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