Free Bulk Watermark Generator - Add Text & Image Watermarks Online

Add text or image watermarks to multiple photos at once for free. Customize font, color, opacity, position, and fullscreen tiling. All processing happens locally in your browser — no uploads, 100% privacy protected. Supports JPG, PNG, WebP, AVIF, and GIF.

Batch Processing

Process multiple images at once, greatly improving work efficiency, especially suitable for scenarios requiring the same watermark on multiple images.

Flexible Customization

Supports text and image watermarks with adjustable fonts, colors, transparency, position and other parameters to meet personalized needs.

Privacy Protection

All image processing is done locally in the browser without uploading to servers, ensuring your image data security.

Frequently Asked Questions