Batch Watermark — Process Multiple Files at Once

Watermark hundreds of images at once. Batch watermark tool with drag-and-drop folders, ZIP support. Design once, apply to all. 100% offline.

Open MediaWatermark Pro →
🔒 100% private — your files never leave your device

Need to watermark an entire folder of images? Our batch engine handles it. Drag whole folders or ZIP files, design your watermark once, and export everything as a protected ZIP archive. Supports per-image overrides for fine-tuning individual placements. Ideal for photographers, e-commerce stores, and agencies managing large media libraries.

What makes us different

🔒 100% Local Privacy

All processing runs inside your browser memory using WebAssembly and WebGPU. No servers. No storage.

📦 True Batch Engine

Drag folders or ZIP files. Design once. Export a complete protected ZIP instantly.

✨ AI Auto Placement

Local TensorFlow.js detects faces and positions watermarks intelligently.

FAQ

❓ How many images can I process at once?

There's no hard limit — it depends on your device memory. Most users process hundreds of images without issues.

❓ Can I customize watermarks per image?

Yes! Use per-image overrides to adjust position, scale, or opacity for specific images while keeping defaults for the rest.

❓ What output format do I get?

All watermarked images are packaged into a single ZIP file for easy download.

How It Works

1. Upload Media

Drag and drop your photos, PDFs, or videos. Nothing is ever uploaded to a server.

2. Design & Position

Apply custom text, upload logos, or generate stock-photo style grid patterns instantly.

3. Export Batch

Click export. Everything is processed locally on your device in seconds via WebGPU.

🔧 More Tools

→ Add Watermark to Image Online Free → Add Watermark to PDF Online Free → Add Watermark to Video Online Free → Free Online Image Editor

Your files. Your device. Your control.

MediaWatermark Pro is part of the B2R ecosystem — building privacy-first digital infrastructure.


Start Protecting Your Media →