Add any text — CONFIDENTIAL, DRAFT, SAMPLE, or your own
Control color, opacity, size, position, and rotation angle
Your PDF never leaves your device — no server uploads
See exactly how the watermark looks before downloading
Drop your PDF file here or click to browse
Upload your PDF, type your watermark text, and customize its appearance — position, color, font size, opacity, and rotation. The live preview shows exactly how it will look. Click "Add Watermark & Download" to save.
You can add text watermarks with any custom text (e.g., CONFIDENTIAL, DRAFT, SAMPLE, your company name). Customize the font size, color, opacity, position, and rotation angle.
Choose from 6 positions: diagonal (across the page), center, top-left, top-right, bottom-left, or bottom-right. Diagonal is the most common for security watermarks.
Yes! The opacity slider goes from 5% to 50%. Lower opacity (5-15%) creates a subtle watermark that doesn't obstruct content. Higher opacity (30-50%) creates a more prominent stamp.
Yes, 100%. All processing happens in your browser using JavaScript. Your PDF is never uploaded to any server. Close the tab and the file is gone.
Yes! Use the color picker to choose any color for your watermark text. Common choices are gray (subtle), red (attention), or blue (professional).
Yes, the watermark is applied to all pages in the PDF. This ensures consistent protection across the entire document.
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