Add a custom text or image watermark to your PDF online for free. Set opacity, position and font. Protect documents professionally. No login needed. PDFworld.
Yes, you can add either custom text (with font, size, color options) or upload an image (PNG/JPG) to use as a watermark on your PDF.
Yes, the watermark is permanently rendered onto the PDF pages. Once added, it cannot be removed without dedicated removal software.
No. All watermark processing runs entirely in your browser. Your file never leaves your device.
Yes, you can choose from multiple preset positions including center, top-left, top-right, bottom-left, bottom-right, and tile across the page.
You can upload PNG images (recommended for transparency) and JPG images as watermark stamps on your PDF pages.