nanobanana-watermark-remover

Gemini Watermark Removal Tool Removes visible Gemini watermarks using reverse alpha blending.

Based on the mathematical formula:

watermarked = α × logo + (1 - α) × original

Solving for original:

original = (watermarked - α × logo) / (1 - α)

Python port with embedded alpha maps.

Usage:

python GWMRTool.py image.jpg
python GWMRTool.py -i input.jpg -o output.jpg
python GWMRTool.py -i ./input_folder/ -o ./output_folder/