Image Watermark Adder
Stamp a text watermark onto an image — pick the position or tile it across the whole image, and set the size, colour and opacity — and download the result, all without leaving your browser.
About this tool
This is a visible text watermark, not an invisible/forensic one — it's meant to deter casual reuse, not to survive determined cropping or editing. Everything is processed locally in your browser.
The size is set as a percentage of the image’s width, so the watermark looks the same whether your photo is a small web image or a full-size camera original. A corner watermark is easy to crop off; for photos you’re worried about, such as product shots or proofs sent to a client, tick repeat diagonally to cover the whole image at a low opacity. The optional shadow keeps white text visible over bright skies and dark text visible over shadows.