About the Watermark
The watermark tool places text, such as your name, brand or website, on top of an image. You choose the position from nine anchors, the font size, colour, opacity and margin, preview the result, and can watermark a whole batch of photos with the same settings in one go.
By Derar Sattouf · Last updated October 2026
How to use it
- Add the photos you want to protect.
- Open the Mark tab and type your watermark text.
- Pick the position, size, colour, opacity and margin.
- Process to preview, then download the image or ZIP the whole batch.
Features
- Nine positions from top-left to bottom-right
- Adjustable size, colour, opacity and margin
- Same watermark across a batch
- Combine with resize or compress in one pass
Frequently asked questions
- Can I watermark many photos at once?
- Yes. Add every photo, set the watermark once and press ZIP.
- How do I make a subtle watermark?
- Lower the opacity to around 30-50% and use a small size in a corner position.
- Are my images uploaded or stored?
- Each image is sent over HTTPS to the Image Tools server, processed in memory with the sharp image library and returned straight to your browser. Files are not saved, logged or shared, and nothing is kept after the response is sent.
- Is it free? Do I need an account?
- Yes, it is completely free with no sign-up, no watermark on your results and no daily quota. Open the page, add your images and download the output.