Gemini 批量去水印工具｜Prompt Case

Gemini 去水印工具是一款專為 Gemini 生成圖片打造的瀏覽器插件，幫你一次批量快速移除數百個 Nano Banana / Pro 右下角角「Gemini」水印標記，無損保留原始畫質與細節。

基於開源算法（MIT，GitHub: allenk/GeminiWatermarkTool），整個處理流程在本地瀏覽器完成，不上傳雲端、不儲存任何圖片資料，讓你專心創作，同時兼顧隱私與安全。

主要功能：

• 自動偵測並能一次批量去除數百個 Gemini 圖片角落水印。
• 支援 PNG、JPG、WebP 等常見圖片格式。
• 基於開源演算法，盡量保留原圖紋理與色彩。
• 100% 本地運算，不依賴任何 AI、伺服器或第三方 API。
• 操作介面簡單直覺，拖放圖片即可完成處理。

適合這些使用者：

• 經常使用 Gemini 產生素材的設計師、創作者、行銷人。
• 需要將 AI 圖片用於簡報、社群貼文或商業專案，希望版面更乾淨專業。

安裝後，點擊瀏覽器工具列中的 Gemini 去水印圖示，拖放或上傳 Gemini 的圖片圖片，就能立刻取得去除水印後的新檔案。

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Gemini Watermark Remover is a browser extension built specifically for images generated by Gemini. It helps you quickly remove the “Gemini” watermark in the bottom‑right corner of Nano Banana, and Pro images in bulk while preserving the original image quality and details. ​ All processing is completed locally in your browser. No images are uploaded to the cloud and no image data is stored, so you can focus on creating while keeping both privacy and security protected. ​ Main features:

• Automatically detects and removes corner watermarks from hundreds of Gemini images in one batch.
• Supports common image formats such as PNG, JPG, and WebP.
• Uses open‑source algorithms to preserve as much of the original texture and color as possible.
• 100% local computation, without relying on any AI services, servers, or third‑party APIs.
• Simple and intuitive interface. Just drag and drop your images to process them.

Perfect for:

• Designers, creators, and marketers who frequently use Gemini to generate assets.
• Anyone who needs to use AI images in presentations, social posts, or commercial projects and wants a cleaner, more professional layout.

After installation, click the Gemini Watermark Remover icon in your browser toolbar, then drag and drop or upload your Gemini images to instantly get new files with the watermark removed.