Watermark image

Add text or a logo with your chosen position, color and opacity.

Up to 10 MiB per image; 30 MiB and 24 megapixels per batch. Work surfaces: 4 megapixels. Job deadline: 15 seconds. Outputs: 24 MiB. Processing stays in your browser. Without OffscreenCanvas, native drawing can briefly delay the interface. After cancellation, retry once pending native decoding or encoding finishes.

For a logo select the base image first, then the logo. Text fits one line; logos fit within 30% of the base width and height, with a minimum one-pixel fitting box. Preview fonts and Arabic shaping before downloading.

Watermark type

Choose images

Still JPEG, PNG or WebP. Select files in order; each selection replaces the current list.

Watermark text

Text color

Position

Opacity %Whole-number range: 1 – 100

Select images to begin.

How to use

Choose text or logo mode. Select the base image, then the logo if needed. Set placement and opacity, process, review and download PNG.

Try an example

Place your name at bottom right with 65% opacity, or add a logo to a product image.

Support & limits

Text is one line of up to 120 text units, fitted to the image width. Logos fit within 30% of both image dimensions, with a minimum one-pixel fitting box inside the base. Fonts and Arabic appearance depend on the browser; review the result. A watermark does not prevent copying.

Common questions

Can I use a transparent logo?

Yes. Choose logo mode and select a transparent PNG or still WebP after the base image. Output uses PNG.