Bū tools

Watermark

Your logo or name on a photo, or alone.

What it does

Puts a watermark on a photo: the Bū logo, a text (your name) or your logo. Or exports the watermark alone, as a transparent PNG, to put over a video.

How

Good to know

Your photo is used as it is, pixel for pixel. In PNG, nothing changes outside the watermark; JPEG rewrites the whole image and always loses a little. A browser works in 8 bits and sRGB, and doesn’t copy the photo’s metadata (camera, GPS). Above about 16 megapixels on iPhone, the photo has to be reduced (a message says so). Everything stays on your device.

Free, no account, nothing is sent: it runs in your browser, even offline.

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