Add a Watermark to an Image

Text is drawn in a bold sans-serif font in the colour you choose. The size box is relative to the photo, not in pixels: the actual height is the size value multiplied by the image width divided by 1000. The default of 48 therefore gives text about 4.8% of the image width tall, whether the photo is 800 or 6000 pixels wide, so the watermark looks the same on every size.

Logo lets you upload an image, ideally a PNG with a transparent background, and set its width as a percentage of the photo's width (5% to 80%, default 20%). The logo keeps its own proportions.

• Corners (top-left, top-right, bottom-left, bottom-right) keep a margin of 5% of the image width from the edges. Bottom-right is the default.
• Centre places one mark in the middle, which is harder to crop out but more intrusive.
• Tile repeats text diagonally, or a logo in a grid, across the whole image.
• Transparency runs from 0% (invisible) to 100% (solid); the default is 50%. Between 20% and 50% is common for photos people should still enjoy looking at.

White text with moderate opacity reads well on dark and busy photos; on bright skies or white products, a dark colour works better. Check the preview over the part of the photo where the mark sits.

A visible watermark tells people who made or owns an image and makes casual reuse less attractive. It does not prevent copying. A corner mark can be cropped off, and content-aware editing tools can remove many marks. Tiled or centred watermarks are much harder to remove cleanly, at the cost of covering more of the picture. For portfolio previews where protection matters more than looks, see Protect with Watermark, which starts in tiled mode.

• The watermarked image is saved as WebP at quality 0.9 at the original dimensions. Convert it with WebP to JPG if you need a JPG.
• The original file's metadata (EXIF, including GPS) is not carried over.
• One image is processed at a time. Keep your unwatermarked original safe; the watermark cannot be removed from the output later.

The watermark is drawn on a canvas in your browser. Neither the photo nor your logo is uploaded.