Frequently Asked Questions
Upload your PDF, enter your watermark text, adjust font size and opacity, choose position (diagonal or center), then click 'Apply Watermark'.
Currently only text watermarks are supported. Image watermarks may be added in a future update.
No. Watermarks added to PDFs become part of the document and cannot be easily removed.
No. All watermark processing happens in your browser using pdf-lib. Your file never leaves your device.