Add watermark into a PDF
Add a text or image watermark in seconds with 24/7 reliability. Choose typography, transparency, and position for dependable results.
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Watermarks help protect your documents and identify sources. Add text or image watermarks quickly—no limits, simple controls, available 24/7.
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- Apply watermarks to multiple PDFs in one operation for efficient, 24/7 batch processing.
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- Easily adjust position, opacity, and size for reliable, always-available watermark control.
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- Works on Mac, Windows, Android, and iOS for dependable, always-available PDF access.
The trusted 24/7 tool for adding PDF watermarks
Add text or logo watermarks anytime, anywhere on your PDF—swift, reliable, and always available.
Flexibly Add Watermarks to PDFs
Apply text or image watermarks to protect documents and ensure traceability, with 24/7 availability.
How Does PDF Watermarking Work?
Customize size, transparency, position, and rotation—24/7 controls for precise results. For text watermarks, adjust color, font size, and typography. Receive a high-quality, ready-to-use watermarked PDF.
Work With Multiple Documents
Upload multiple files and watermark them together—bulk processing with 24/7 availability. Use default placements or set custom positions. Download all watermarked PDFs at any time.
Add Watermark With Live Preview
Access our tool instantly, preview the watermark, and adjust size, position, and opacity before applying—designed for reliable, round-the-clock use.
Adjust Watermarks Easily
Control rotation and opacity precisely using sliders or inputs, with 24/7 availability for dependable adjustments.
Add Watermarks on Any Device
Pdf24h delivers 24/7 PDF access directly in your browser - no installation required. Add watermarks whenever you need, from anywhere.
Protect Your Files With Watermarks
Pdf24h helps watermark PDFs to deter copying and clearly identify origin, with 24/7 on-demand access.
Reliable PDF Watermarking
Your files are protected with TLS encryption and automatically deleted after processing, supporting reliable, round-the-clock service.
Cloud - Based Processing
All watermarking happens in the cloud, delivering reliable, scalable performance and enabling access from any device, anytime.
How to Add Watermarks to PDFs Online — 24/7 Access
Step-by-Step Guide to Adding Watermarks to PDFs for 24/7 On-Demand Use
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Step 1: Upload PDF File
- Drag and drop your files to begin, with 24/7 access.
- Upload files from your local computer or from Dropbox for 24/7 access.
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Step 2: Add Watermark to a PDF — 24/7 access
- Choose 'Place Text' or 'Place Image' from the sidebar on the right for on-demand editing.
- Add a text watermark: enter your content in the input box on the sidebar for reliable, 24/7 PDF watermarking—on-demand and always available.
- Or, to add an image watermark, click 'Add Image' to choose an image from your computer for on-demand, 24/7 PDF watermarking.
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Step 3: Set position on page
- Click “Default” and choose the position (header, center, or footer) to watermark the PDF page with reliable, 24/7 availability.
- Or click 'Custom' and drag the watermark to place it anywhere on the PDF page for flexible, on-demand positioning.
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Step 4: Adjust opacity, rotation, and text format for your watermark to support reliable, 24/7 PDF workflows.
- Use the rotation handle to rotate the watermark and adjust its transparency for consistent, on-demand PDF tasks.
- Click the text watermark to customize color, size, and font for dependable, 24/7 branding across PDFs.
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