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ToolSuite
Image Tools

Bulk Image Watermark

Apply the same watermark to up to 30 images at once.

or drag them here

image/* · up to 40 MB · up to 30 files

45
85

Lower means a smaller file. Above 90 rarely looks different and costs a lot of size.

Processed in your browser

Fill in the form and press “Watermark all images” to see the result here.

How to use it

  1. 1Select your image, or drag and drop it onto the upload area.
  2. 2Adjust the options if you need something other than the defaults.
  3. 3Press the button. The image is processed on your device - nothing is uploaded.
  4. 4Download the result, or drop in another file to do it again.

About the Bulk Image Watermark

Every image gets the same text, position and opacity. Font size scales with each image, so a watermark looks proportionally the same on a wide banner and a square thumbnail.

Questions people ask

Is your image uploaded to a server?

No. This tool runs entirely in your browser using standard web APIs, so your image never leaves your device. You can confirm it by opening your browser's network panel while the tool runs, or by disconnecting from the internet after the page has loaded.

Is it free, and do I need an account?

Yes, it is free, and there is no account, no sign-up and no watermark on the result. The project is funded by optional donations.