Add text or image watermarks to PDF files, client-side processing, no upload needed
Click or drag PDF file here
Yes, completely free. No registration required, no usage limits. All processing happens locally in your browser.
Both text and image watermarks are supported. Text watermarks allow custom content, font size, color, opacity, and rotation. Image watermarks support PNG/JPG formats.
Watermarks are overlaid semi-transparently on the PDF pages. They don't delete or overwrite existing content. You can adjust opacity to control visibility.
Yes. You can choose to add watermarks to all pages, first page only, or last page only.
Absolutely. All processing happens locally in your browser. Your PDF is never uploaded to any server. Data is automatically cleared after processing.
PDF Watermark has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.
No. PDF Watermark is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.
Yes, PDF Watermark is completely free to use. No registration or login required — all features are available immediately.
Absolutely. All processing happens locally in your browser. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
We preserve original quality whenever possible. For compression, you can choose the compression level to balance file size and quality.
Common formats including PNG, JPEG, WebP, GIF, BMP, and SVG are supported. The exact formats depend on the specific tool.