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Add a watermark to an image
Put a line of text onto a photograph - a name, a copyright notice, the word DRAFT - before you send it somewhere it might be reused. The mark is sized as a percentage of the finished image rather than in pixels, so the same setting looks right on a 4000-pixel original and on the 1080-pixel copy you post. It is worth being clear about what a watermark is for: it makes reuse attributable and awkward, not impossible. Anyone determined enough can remove one. A mark tiled across the whole frame is much harder to crop away than a mark in a corner.
How to add a watermark to an image
- Drop in a photo, or a folder of photos to mark with the same text.
- Type the text. Nothing is drawn until you do.
- Choose where it sits, how large it is and how visible - or tile it across the frame.
- Download the watermarked image, or the whole set as a ZIP.
Supported formats
This tool accepts JPG, PNG, WebP, GIF, BMP and AVIF files. Everything is decoded by your own browser, so the formats available depend on what your browser can open - which for HEIC in particular varies between Safari and other browsers.
Because the image is rebuilt from raw pixels, EXIF metadata such as camera details, timestamps and GPS coordinates does not carry into the result. Orientation is applied to the pixels first, so photographs stay the right way up. Embedded colour profiles are also dropped and the output is saved as sRGB, which can shift colours slightly in wide-gamut photographs. Animated files are refused rather than being flattened to a single frame.
Frequently asked questions
Can a watermark be removed?
Yes, by someone who wants to badly enough - by cropping, by cloning it out, or by software built to do it. A watermark raises the effort and makes casual reuse traceable back to you; it is not a lock. Tiling the mark across the image, rather than tucking it into a corner, is the single most effective thing you can do to make removal tedious.
Why is the size a percentage rather than a number of pixels?
Because a 40-pixel mark is unreadable on a 6000-pixel photograph and enormous on a thumbnail. A percentage of the shorter edge keeps the mark the same relative size whatever you resize to afterwards, so one setting works for the whole set.
Why does the text have an outline?
Because a white mark disappears over a bright sky and a black one disappears over a shadow, and you would only find out after downloading. A contrasting outline keeps the text readable over both without you having to pick a colour per image. You can turn it off.
Can I use my own logo?
Not on this page yet. The engine composites an image watermark as easily as a text one, but a logo needs a second file to upload, decode and validate, and offering the option before that exists would mean offering something that quietly does nothing.
Are my unwatermarked originals uploaded?
No, and that matters more here than on most pages: the whole point of watermarking is that the clean version stays yours. The mark is drawn onto the image by your own browser, and the original never leaves your device.
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