Lunivae
Official Chrome Extension Hub

1-Click Watermark Removal Directly Inside Google Gemini

Never manually download, upload, and clean again. The extension automatically detects generated images inside Gemini and adds a pristine “Clean Download” button right beside the image!

Use Web App Online

Instant Context Menu

Right-click any image on the web and select “Clean Gemini Watermark” for instant background restoration.

100% Client-Side

The extension runs identical mathematical reverse alpha logic locally inside your browser sandbox.

SynthID Scrubbing

Automatically strips invisible C2PA manifests from downloads so your artwork is ready for production.

Knowledge Base

Frequently Asked Questions

Everything you need to know about reverse alpha blending, SynthID, and offline privacy.

How does Reverse Alpha Blending remove Gemini watermarks without blur?

Traditional AI inpainting guesses and repaints missing pixels, which creates soft edges and blur. Google Gemini applies its watermark as a transparent mathematical overlay. Our tool reverses this linear compositing formula to mathematically recover the exact original background pixels underneath.

Are my images uploaded to any remote server?

What if my image was resized and leaves a faint watermark outline?

Does this tool strip invisible SynthID and C2PA AI metadata?

Can I process large batches of images at once?

How does it handle Google Veo 3 AI videos without mobile crashes?

Which formats can I export my cleaned media in?

Can I use this tool offline as a Progressive Web App (PWA)?

How does the IndexedDB Recent Cleanups drawer protect my privacy?

Is it legal to remove Gemini watermarks from my own generated artwork?