Add customizable text watermarks to PDF pages. Choose font, size, color, opacity, position (diagonal, horizontal, vertical), and rotation. Apply to all pages or specific ranges.
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Add customizable text watermarks to PDF pages. Choose font, size, color, opacity, position (diagonal, horizontal, vertical), and rotation. Apply to all pages or specific ranges.
Reviewed: 2026-09-18
Follow this step-by-step guide.
Step 1
Click or drag to upload your file.
Step 2
Adjust any settings if available.
Step 3
Click the action button to process your file.
Step 4
Download the processed file.
Consequence: A 100% opacity watermark obscures the document content beneath it.
Fix: Use 10-30% opacity for subtle watermarks that don't block content.
Consequence: Center watermarks cover the most important content area.
Fix: Use diagonal placement or corner positioning to minimize content obstruction.
Consequence: An overly visible watermark makes the underlying text difficult to read.
Fix: Set opacity between 10-30% for subtle watermarking that does not block content.
Consequence: Oversized watermark text dominates the page and distracts from the content.
Fix: Use proportional font sizes (12-24pt) that complement rather than overpower the document.
Stamp every page of a circulating draft so recipients cannot mistake it for the final version.
Place a company or department identifier on outgoing documents for provenance without altering content.
Example usage.
It processes your files entirely in your browser. No data is uploaded to any server.
Yes. Choose from center, corners, or diagonal placement. Adjust opacity (0-100%), rotation angle, font size, and text content for precise positioning.
You can add text watermarks with customizable font size, opacity, position, and rotation angle.
You can customize the watermark text, font, size, color, opacity, and position. Supports text watermarks with rotation angles, and image watermarks from uploaded files. The tool applies watermarks to all pages or a specified range.
Watermarks added by this tool are burned into the page content and cannot be automatically removed. However, if you need to modify a watermarked PDF, you can re-upload it and apply a different watermark. We recommend keeping a copy of the original unwatermarked PDF.
Yes, the opacity slider ranges from 10% to 100%.
Font sizes range from 8pt to 72pt with custom size input.
Watermarks added by this tool are baked into the PDF content and cannot be easily removed.
PDF Watermark renders the watermark into page content streams inside this browser tab and writes the stamped document locally. Page content and the watermark text never leave the device; files are used only on explicit user action, and the page continues to work offline after the initial load.
