β Frequently Asked Questions
Are there any usage limits for PDF Watermark?
PDF Watermark has no usage limits β 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.
Do I need to install any software?
No. PDF Watermark is a web-based tool β just open it in your browser and start using it. No downloads, plugins, or extensions required.
Is PDF Watermark free to use?
Yes, PDF Watermark is completely free to use. No registration or login required β all features are available immediately.
Is my data safe when using PDF Watermark?
Absolutely. Everything runs locally: Watermark Text and Text Color are processed on your device, never sent to a server. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
Will the PDF quality decrease after processing?
We preserve original quality whenever possible. For compression, you can choose the compression level to balance file size and quality.
What image formats are supported?
Common formats including PNG, JPEG, WebP, GIF, BMP, and SVG are supported. The exact formats depend on the specific tool.