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Formula used
output opacity = watermark opacity × layer alpha; position = anchor position + X/Y offsets; tile count = image size ÷ tile spacing.
How to use this calculator
Upload one or more images. Choose a text, logo, or combined watermark. Customize typography, opacity, rotation, placement, spacing, and output quality. Use the live canvas to verify the result, then download the image. Batch ZIP export uses the server only after you select it.
Example
| Setting | Example value | Typical use |
|---|---|---|
| Watermark text | © Example Studio | Copyright protection |
| Opacity | 55% | Visible but unobtrusive |
| Position | Bottom-right | Product photography |
| Rotation | 0° | Clean branding |