Watermark all of your files at once.
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Full refunds guaranteed for cancellations within 7 days of purchase.
Drag. Drop. Stamp.
Whether you're watermarking one file or one hundred files. That's all it takes. Start by
creating a watermark design using any text or image of your choosing. Then,
drag your files into the app and sit back as StampFast takes care of your watermarking needs.
StampFast makes it easy to protect your documents and intellectual property. We've
designed the app so that anyone can use it: photographers, business professionals, and
hobbyists alike.
Completely private and offline Never upload your sensitive documents to some shady website again. StampFast operates
solely on your computer without accessing the internet.
Limitless design options Choose from any font available on your computer and style your watermark in
any color or position. And with images, your options are truly
limitless.
Private and offline 
Custom text and images 
Unlimited watermarks 
Native macOS app Ready to get started?
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