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How to Add a Watermark to Images

Drag and drop images or click to select them. Supports JPG, PNG, and WebP formats.

Enter your watermark text and adjust the opacity. The watermark is applied across each image.

Download individual files or all watermarked images at once.

Your images never leave your device. Watermarks are applied in your browser using WebAssembly — no server uploads.

No registration, no file limits, no watermarks from us. Add your own watermarks to as many images as you need.

Apply the same watermark to multiple images at once. Perfect for protecting photo galleries or portfolios.

Are my images uploaded to a server?

No. All processing happens in your browser using WebAssembly. Your images never leave your device.

Can I adjust the watermark opacity?

Yes. Use the opacity slider to make the watermark more or less visible. Lower opacity is subtle; higher opacity is more prominent.

Can the watermark be removed?

The watermark is embedded into the image pixels. It cannot be easily removed, which is the purpose of watermarking for protection.

Can I watermark multiple images at once?

Yes. Upload multiple images and the same watermark text and opacity will be applied to all of them.

Can I adjust the watermark position?

The watermark is applied as a centered overlay. Adjust the opacity slider to control how visible or subtle the watermark appears.

Does the watermark survive if someone takes a screenshot?

Yes. Text watermarks are permanently embedded into the image pixels. They cannot be removed by screenshotting or basic image editing.

Does this work on mobile devices?

Yes. The tool runs entirely in your browser on any device — smartphones, tablets, and computers. No app needed.