Add a watermark to images
Stamp text or a logo on JPEG, PNG and WebP images in a batch: nine positions or a diagonal tile, with opacity, size and colour.
or drop them here, or paste.
Runs in your browser. Your files are not uploaded.
Text and logo sizes are relative to each image's width, so a batch of mixed sizes looks consistent.
How to use Add a watermark to images
Drop one or more images on the page.
Choose Text or Logo. For text, type it and pick a colour; for a logo, choose an image file.
Set the size, opacity and position, including a diagonal tile.
Select Add watermark, then select Download.
Questions
No. Everything runs in your browser and nothing is uploaded.
Yes. Every image dropped on the page gets the same watermark, and several results download as images.zip.
A PNG with transparency.
No. It marks the image, but it can be cropped or covered by others.