# How I Built a Free, 100% Client-Side Gemini & Veo Video Watermark Remover Using Inverse Alpha Math

> Source: <https://dev.to/kushal_lukhi_ade926ade7e2/how-i-built-a-free-100-client-side-gemini-veo-video-watermark-remover-using-inverse-alpha-math-k7l>
> Published: 2026-08-29 06:45:26+00:00

If you've generated images with **Google Gemini (Imagen 3)** or videos with **Google Veo 3**, you've probably noticed the visible semi-transparent 4-pointed sparkle logo in the bottom-right corner.

Most online watermark removers use generative AI inpainting. The problem? **Generative AI guesses pixels and blurs the background**, creating smudgy, degraded textures and lost details.

I decided to solve this differently: **pure client-side pixel reconstruction with zero AI blur.**

Traditional AI tools attempt to "paint over" the watermark by guessing what was behind it.

Because Google's watermark is semi-transparent, the original background pixels are actually preserved beneath the logo overlay. Instead of hallucinating new pixels, our engine cleanly subtracts the transparent watermark layer.

**Result**: 100% of the authentic original picture is restored with crisp, bit-for-bit clarity and zero smudging.

You can test the tool directly in your browser:

👉 **Live Web App**: [https://geminiremove.com](https://geminiremove.com)

I’d love to hear your feedback on the UX, performance, and features you'd like to see next!