Why add a watermark?
A watermark shows who owns an image. It discourages others from using your photos without credit and helps people find you when your work is shared. Photographers, designers, online shops and estate agents commonly watermark preview images.
Choosing a watermark style
- Corner mark: small and discreet, good for branding. It can be cropped out, so it protects less.
- Centered mark: harder to remove; use a low opacity so the image stays visible.
- Tiled pattern: the strongest protection, used for proofs and stock previews.
Tips
- An opacity of 30–50% is usually visible without being distracting.
- A PNG logo with a transparent background blends best.
- Keep the original, unmarked files safe; a watermark cannot be removed cleanly afterwards.
Private by design
The image is opened and processed by your browser on your own device. It is not uploaded to a server, so the tool also works offline once the page has loaded.