Add text or image watermarks to protect your photos and artwork with our free online watermark tool. Perfect for photographers, artists, and content creators wanting to brand or protect their work. Customize position, opacity, size, and rotation of your watermark. Batch process multiple images at once. All processing happens locally in your browser for complete privacy.
Yes, you can upload your logo (PNG with transparency works best) as an image watermark.
Yes, batch processing allows you to apply the same watermark to multiple images.
Typically 30-50% opacity is visible without being too distracting. Adjust based on your needs.