imagetoolbox

Watermark an image

Stamp text or a logo over your image. Size, opacity and colour are yours, in any corner or tiled across the whole thing.

How to watermark an image

  1. Drop an image in the zone above.
  2. Type your text or pick a logo file, then set size, opacity and colour.
  3. Choose a corner, or tile it across the image, and download.

About watermarking here

A corner mark stays subtle and keeps the image usable. Tiling repeats the mark across the whole frame, which makes it much harder to crop or clone away when the image really should not travel without your name on it.

The watermark is rendered into the pixels at full resolution, so it survives every format the download offers.

Like everything on this site, the tool runs entirely in your browser. Your image is never uploaded, and the server only serves this page.

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Everything runs in your browser. Your files never leave your device. No uploads, no accounts.