Supports JPG, PNG, WebP β up to 20 files, batch processing
All processing happens locally in your browser. No files are ever uploaded to any server.
Set custom watermark text, font size, color, opacity, and rotation angle.
Center, corners, or tile pattern to cover the entire image for maximum protection.
Watermark up to 20 images at once with the same settings for efficiency.
Works perfectly on phones and tablets. Add watermarks anytime, anywhere.
No registration, no limits. Free forever.
From the history of watermarks to modern digital applications β a comprehensive overview of watermarking technology, types, and practical usage.
Beginner GuideUnderstand international copyright law, Creative Commons licensing, and Digital Rights Management (DRM) to build a comprehensive image protection strategy.
CopyrightAn in-depth comparison of visible and invisible watermarks β technical principles, pros and cons, and use cases to help you make the best choice.
TechnicalLearn to design professional watermarks that don't compromise the viewing experience. From font selection to opacity settings, master the key design principles.
Design Tips