What a watermark is really for
A watermark is not a lock. Anyone who wants to remove one can, and modern editing tools make it easier every year. What it does achieve is attribution and friction. Your name travels with the image, and reusing it without permission requires deliberate effort rather than a right click.
That is usually enough. Most unauthorised reuse is casual rather than determined, and a visible mark is enough to stop it or at least to make the source obvious to anyone who sees the result.
Placement and strength
There is a trade to make. A small mark in a corner preserves the photograph but is trivial to crop away. A large mark across the middle is very hard to remove but damages the image for everyone, including the people you want to see it.
For portfolio and social images, a corner at moderate opacity is the sensible default. For proofs sent to a client before payment, a central mark is appropriate, because the point is that the preview should not be usable on its own.
Practical advice
- Keep it short. A name or a domain reads well. A long sentence does not.
- Be consistent. Using the same text and position across your images builds recognition.
- Watch the background. White text disappears on a pale sky. Move it to a darker area of the frame.
- Watermark last. Crop, adjust and compress first, then add the mark to the final version.
Frequently asked questions
Does a watermark stop people copying my photo?
It does not prevent copying, and a determined person can remove one. What it does is make casual reuse obvious and awkward, and it keeps your name attached to the image as it travels.
Where should I place it?
A corner keeps the photo usable while still marking it. Across the centre is much harder to remove but also spoils the picture, which suits a proof or preview rather than a finished image.
What opacity works best?
Somewhere between forty and sixty percent is the usual compromise. Below that it becomes easy to paint over, above it the watermark starts to dominate the photo.
Can I use a logo instead of text?
Not in this tool. It places text only. For a logo you would need an editor that supports layering one image over another.
Will this reduce the file size?
No. Adding a watermark leaves the image size essentially unchanged. Compress separately if you also need to meet a size limit.
Should I watermark a photo for a form?
No. Application portals need a clean, unaltered photograph and a watermark would very likely get it rejected.