Watermark Generator
Protect your images with a custom watermark instantly. Processing happens entirely in your browser for 100% privacy.
Interactive Preview
Upload a single preview photo, drag the watermark to position it, then run your batch.
Drag & drop your images here
Supports JPG, PNG, WebP, and HEIC up to high resolutions
Batch Processing
Drop 1 or 50 images here. They will all be watermarked using the exact relative position set above.
Drag & drop your images here
Supports JPG, PNG, WebP, and HEIC up to high resolutions
How to watermark images
Configure your watermark
Enter your text, adjust the opacity, and choose the perfect position (e.g., Bottom Right) before uploading.
Upload your images
Drag and drop one or multiple images into the tool. We support bulk watermarking!
Download Results
Your images are processed instantly without ever leaving your device. Click download to save them.
Frequently Asked Questions
Can I watermark multiple images at once?
Yes! You can drag and drop dozens of images at once and our client-side engine will quickly stamp all of them with your exact settings.
Is it private?
Absolutely. Like all tools on ImageKit, our watermarking engine runs entirely within your web browser using HTML5 Canvas APIs. Your original images never leave your computer.