Type your name or brand and stamp it on your photos, in a corner, in the center, or repeated diagonally.
No sign-up and nothing uploaded to a server: everything happens in your browser. See for yourself.
No. Everything is processed inside your browser, and your files never leave your device.
For now, text only.
Yes, with the same text and settings.
A watermark helps people recognize you as the author of your photos when you publish them. The “repeated diagonally” option is harder to crop out.
A visible watermark discourages unauthorized use, but it doesn't completely prevent it.