How to Add Watermark to Image Online Free

Watermarking is one of the most effective ways to protect your photos from being used without credit or compensation. A well-placed watermark deters casual theft, makes it easy for anyone seeing the image to trace it back to you, and reinforces your brand every time your work is shared online — even without your knowledge.

Text vs. Image Watermarks

There are two main types of watermarks: text watermarks display your name, website, or copyright notice directly on the image; image watermarks overlay your logo or signature. Text watermarks are quick to set up and work well for most purposes. Logo watermarks provide stronger brand recognition but require an existing logo file (ideally with a transparent background).

How to Add a Watermark to an Image Online

1. Open the Watermark Tool at imgresizr.com.
2. Upload your photo.
3. Choose text watermark (enter your name or website) or logo watermark (upload your logo).
4. Position the watermark — bottom corner is standard for non-intrusive branding.
5. Adjust opacity to around 40–60% for a semi-transparent, professional look.
6. Download the watermarked image.

Watermark Best Practices

Placement Matters

Place your watermark where it's visible but not the focus of the image. The bottom-right or bottom-left corner is the standard for portfolio and social media images. For images you want to sell or license, consider a larger, more central watermark that covers the main subject — this makes the image unusable without purchasing a license.

Keep the Original Unwatermarked

Always save your original, unwatermarked images separately. Deliver watermarked versions to clients and on social media, but keep clean originals for your own archive. When a client pays for usage rights, you can then provide the clean version without having to recreate the photo.