Offline OnlyPrivacy First

Add Watermark to Photo Offline (Batch & Private)

Bulk watermark local images offline with zero data upload.

Privacy First: All processing happens locally in your browser. No upload, no server round-trips.

Select images

Select imagesNo file chosen

Supported formats: PNG, JPG, GIF

Watermark text

ColorOpacity0.30

Spacing1.5Font size0.80

Select images to generate watermarked previews.

Why Use a Local In-Browser Watermark Tool?