How to Add a Watermark to Images Online Free

Why Add Watermarks?

Watermarks serve two key purposes: protection and branding.

Protection: Discourage unauthorised use of your photos by making them traceable back to you
Branding: Every image shared online becomes free advertising for your brand or website
Attribution: Make sure social media shares credit the original creator

Text watermarks — your name, website URL, copyright notice, or brand name. Clean, professional, and the most common choice.

Logo watermarks — overlaying a semi-transparent PNG logo. Requires an existing logo file.

Our Watermark Image tool lets you add a custom text watermark in seconds:

No signup required. Your image is never stored.

Corner placement: Bottom-right is most common. Position the watermark over a high-contrast area for visibility.

Centre placement: A large, low-opacity watermark across the centre provides maximum protection but can obscure the subject.

Opacity: 20–40% opacity is a good balance — visible but not distracting for legitimate viewers.

Font size: Large enough to read when the image is shared at full size on social media (at least 24px for a 1080px wide image).

Determined users can attempt to clone-stamp or AI-erase visible watermarks. For maximum protection:

Place the watermark over complex image areas (not flat sky or solid backgrounds)
Use higher opacity
Consider a full-image semi-transparent overlay for high-value work
Always retain an un-watermarked original

Can I add a logo watermark instead of text?

Currently our tool supports text watermarks. For logo watermarks, use design tools like Canva or Photoshop.

Does watermarking reduce image quality?

No — the watermark is composited at full image quality. The result is identical in quality to the original.

Can the watermark be removed by recipients?

Technically yes, but it raises the effort significantly and establishes a clear legal record of your ownership.