Image Watermark Adder

Add a text or logo watermark to your photos, with full control over position, size, opacity and tiling — free, in your browser.

100% free, no upload: Your photo and any logo you use are processed locally in your browser and never leave your device.

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Add a Watermark to Your Photos for Free

This free image watermark adder lets you stamp your own text or logo onto your photos to protect and brand them before sharing online. Choose a text watermark with your name, brand or copyright notice, or upload your own logo image, then adjust size, opacity, rotation and position. Turn on the tile option to repeat the watermark diagonally across the whole photo, similar to how stock photo sites protect their previews, which makes it harder for anyone to crop the mark out.

Use it to watermark photography portfolios, protect social media images, brand product photos for an online store, or add a copyright notice to artwork before posting it publicly. Everything runs locally in your browser using the Canvas API, so your original photo and logo are never uploaded anywhere.

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Frequently Asked Questions

Is my photo uploaded to a server?

No. The watermark is drawn onto your image locally in your browser using the Canvas API, and nothing is uploaded anywhere.

Can I use my own logo as the watermark?

Yes. Switch to the Logo tab and upload a PNG or WebP image, ideally with a transparent background, to use as your watermark.

Can I repeat the watermark across the whole image?

Yes. Turn on the Tile Across Image option to repeat the watermark in a protective pattern across the entire photo, similar to stock photo previews.

What image formats are supported?

You can upload JPG, PNG or WebP images, and download the watermarked result as a PNG.

Is this free to use?

Yes, completely free with no sign-up and no limit, since all processing happens on your own device.