Drop image anywhere
Tool Features How It Works FAQ
Works 100% in your browser — no server upload

Remove watermark Gemini AI
Watermark Instantly

Free tool that removes the watermark from Google Gemini AI images using the original Reverse Alpha Compositing algorithm — zero quality loss.

Upload Gemini Image

Drag & drop or click to choose

You can drop your image anywhere on the page and it uploads automatically

PNGJPGWEBPUp to 20MB
Processing...

Your image never leaves your device — 100% local processing in your browser

Drag slider left/right to compare before / after
before after
📷 Before
✓ After
Drag to edge to see image complete — keys ◀ ▶ control precision
100%
Completely Free
0
Data Uploaded
∞
Unlimited Images
4K
High-Res Support

Why Choose GeminiClean?

Built on open-source project using the original Reverse Alpha Compositing algorithm

Total Privacy

Processing happens in your browser only. Your image never leaves your device.

Lightning Fast

Instant processing via Canvas API directly on your device — no waiting.

Zero Quality Loss

True mathematical reverse — not AI guessing. Result matches the original image exactly.

Before/After Compare

Drag the slider to see the difference between original and cleaned image.

Global Drop Zone

Drop your image anywhere on the page — it uploads automatically.

Dark & Light Mode

Choose the mode that suits your eyes. Design switches smoothly.

How It Works In 3 Steps

Easier than ever before

1

Upload Image

Drag a Gemini AI image anywhere on the page or click to select.

2

Auto Processing

The algorithm detects the watermark automatically and removes it with full mathematical precision.

3

Compare & Download

See the before/after difference, then download your clean image at full quality.

FAQ Common

Everything you need to know about the tool

Is the tool 100% free?
Yes, completely free with no fees, subscriptions, or account registration — regardless of how many images you process.
Are my images safe?
Completely. The tool runs locally in your browser only — no file is ever sent to any external server.
Which image formats are supported?
PNG, JPG, JPEG, WEBP at any resolution up to 4K and above, up to 20MB.
What project is the tool built on?
Built on the open-source GargantuaX/gemini-watermark-remover project using the original Reverse Alpha Compositing algorithm.
Why is this tool better than others?
Most tools use AI Inpainting to fill the area with new pixels. Our tool applies the true reverse mathematical equation — cleaner and more accurate results.
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