Add Watermark to Images

How to add a watermark to an image — 3 steps

1. 1

   Open your image

   Drop in the photo or graphic you want to mark. It is processed on your device, so unpublished work stays on your device.

2. 2

   Add text or a logo

   Type the mark you want, or place a transparent PNG logo. Set the position, size, and opacity until it reads clearly without fighting the picture underneath.

3. 3

   Download the marked copy

   Save the result as a new file. Keep your unmarked original safe — the watermark is burned into the exported image and cannot be lifted back out.

What a watermark actually achieves

It helps to be clear about the goal, because it shapes every design decision that follows. A watermark is friction and attribution, not protection. It makes casual reuse obvious, tells anyone who encounters the image where it came from, and signals that the work is claimed. What it cannot do is prevent a determined person from using the picture — marks can be cropped away, cloned out, or increasingly removed by software.

That reframes the question from 'how do I make this impossible to remove' to 'how much removal effort is worth how much damage to my own image'. For a photographer posting a portfolio, a discreet mark that credits the work is usually right; the picture still has to look good, because looking good is the point. For a proof sent to a client before payment, the opposite is true — a large, central, semi-transparent mark that makes the file unusable as a final asset is doing exactly its job.

Placement follows from the same logic. A small mark in a corner is unobtrusive and trivially cropped. A mark across the middle of the subject, or repeated diagonally across the whole frame, is far harder to remove without visible damage, at the cost of intruding on the image. Pick the point on that scale that matches what you are actually guarding against.

Getting a mark that looks deliberate

Opacity is the setting that decides whether a watermark looks professional or amateurish. Somewhere around 30–50% is the usual range: visible enough to read against both light and dark areas, faint enough that the eye passes over it and reads the photograph. A fully opaque mark competes with the subject and looks like a mistake; one below about 15% disappears entirely against busy areas and protects nothing.

Contrast is what makes a mark legible, and it depends on where you put it. White text vanishes over a bright sky and black text disappears into shadow, which is why marks placed over a mid-tone or textured area survive better than ones dropped in a corner that happens to be blown out. If you are marking many images with different tones, a mark with a subtle outline or drop shadow stays readable across all of them.

For a logo, start from a PNG with a genuine transparent background — a logo saved as a JPG carries a white box that will sit on your photograph like a sticker. And keep the scale restrained: a mark occupying roughly a tenth to a fifth of the image width is legible at normal viewing sizes without dominating. Whatever you settle on, keep it consistent across a set of images; the repetition is what turns a watermark into recognisable attribution.

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