About us

A small, free tool that removes the visible Gemini watermark without ever seeing your files.

What this site is

Gemini Watermark Remover is a free web tool that takes the visible sparkle logo off images and videos generated with Google Gemini and Veo. There is no account, no upload queue and no paid tier. You open the page, choose a file, and get a clean copy back.

It exists because the obvious alternatives are not great. Desktop editors are heavy for a job this small. Most online removers ask you to upload your picture to their server, which means handing a stranger a file you may not want to share, and then trusting that it really was deleted afterwards.

Why nothing is uploaded

Every part of the removal runs inside your own browser tab, in JavaScript and WebAssembly. Your file is read from disk by the page, processed in memory, and offered back to you as a download. It is never transmitted anywhere, so there is nothing for us to store, leak or hand over. Close the tab and it is gone.

A side effect we like: once the page has loaded you can disconnect from the internet entirely and the tool still works.

How the removal works

Gemini does not paint its logo on top of your picture. It blends a semi-transparent white mark into it, and that blend is a piece of arithmetic that can be run backwards. Knowing the shape and transparency of the logo, the original value of each pixel underneath can be solved for directly.

That is why results here look different from a generic “magic erase” tool. Nothing is invented or smeared over; the pixels that were there before the watermark come back. Where reversal cannot fully succeed, because a file has been cropped or recompressed along the way, you get a heal brush to finish the job by hand instead of a silently blurred corner.

Built on open source

The removal engines are not ours. Model One is a copy of gemini-watermark-remover by GargantuaX and contributors, and Model Two is based on gemini-watermark-remover by Ishara Madushanka. Both are released under the MIT License, and both licences ship with this site: Model One, Model Two. Interface icons are Uicons by Flaticon.

We are grateful to those authors. The work here is the website around their engines: the interface, the batch mode, the heal brush, the video pipeline and the privacy guarantee that comes from running it all locally.

What we do not claim

This tool removes the visible logo only. Google also embeds an invisible marker called SynthID in its AI output, and that is untouched here. Anyone claiming to strip it should be treated with suspicion. We are not affiliated with, endorsed by or connected to Google in any way. See our disclaimer for the full picture.

Get in touch

Bug reports, a file that will not clean properly, or a feature you wish existed: write to [email protected], or see the contact page for what to include.