If you are a photographer or a blogger, you should have a pretty good idea about the importance of using watermarks to protect your images from unauthorized use. Watermarking images is the best thing you can do to protect them from unauthorized usage. WordPress enables you watermark your images so that no one can use them without your permission.
To protect our images from being copied we tested some watermark plugins. And we found some best free watermarking wordpress plugins, and sharing here. We hope that you will like this collection and find this collection useful for you. You may be interested in the following posts: WordPress Lifestyle Premium Themes, Star Rating Widgets for WordPress, Featured Posts WordPress Plugins and Free WordPress Advertising Agency Themes.
1. WP Optimize By xTraffic
WP Optimize By xTraffic automatically optimizes SEO’s benefits for your site by building internal links with keywords and focused links. In case you don’t set focus links, this plugin will automatically link to a post/page having the highest related content through optimized algorithm.

2. Ebook Store
eBook Store Plugin for WordPress has been built by professionals in eCommerce extensions working more than 6 years in providing paid downloads solutions for both Joomla nad WordPress.

3. WP Photo Album Plus
This plugin is designed to easily manage and display your photo albums and slideshows within your WordPress site. You can create various albums that contain photos as well as sub albums at the same time.

4. Image Store
This plugin was created because there was a need in the WordPress community to have an images store that did not required the installation of multiple plugins.

5. Simple Photo Gallery
If you are looking for an effective, reliable, yet simple to use photo gallery plugin, then you will love this one! Setting up your gallery literally takes a couple of minutes using the intuitive and simple user interface and settings of this plugin.

6. Easy Watermark
Easy Watermark can automatically add watermark to images as they are uploaded to wordpress media library. You can also watermark existing images manually (all at once or an every single image). Watermark can be an image, text or both.

7. Slideshow Satellite
Satellite’s goal is to present a responsive and beautiful slideshow experience to visitors of your WordPress site. Choose from multiple easy to use themes like Slideshows with full thumbnail displays, Flipbooks for that animated-gif style slideshow, or the brand new Infinite Scroll!

8. CyberProjekt Image Watermark
Watermark can be text, image (png or gif) or both. Plenty of options can be set – from position, and size of watermark – separately for different types, text color, transparency and font, size of target images. It is able also to rotate uploaded images by exif data.

9. Smart Watermark
Plugin allows you to add image watermark to images uploaded to the WordPress Media Library and add watermark to old images via bulk processing tool.

10. Image Watermark
Image Watermark allows you to automatically watermark images uploaded to the WordPress Media Library and bulk watermark previously uploaded images.

11. Watermark WP Image Protect
Watermark WP Image Protect allows you to watermark all the images on your site. Unlike other watermarking techniques and plugins, the original images are unaffected and you do not need to edit or re-upload the images, it is done automatically for you on-the-fly.

12. Watermark
This plugin allows to add a watermark on the images uploaded. It applies watermark on new images as well as images already uploaded. By deactivating the plugin, the watermark will be removed on all images.

13. Signature Watermark
This plugin allows you to Automatically add a watermark to all images as they are uploaded to the WordPress Media Library. The plugin uses PNG watermark images with transparency for precise control over the appearance of the watermarks.

14. Watermark RELOADED
This plugin allows you to watermark your uploaded images. You can create watermark with different fonts, colors and apply those watermarks to different image sizes (thumbnail, medium, large, fullsize).

15. Transparent Image Watermark
This plugin allows you to Automatically add a watermark to all images as they are uploaded to the WordPress Media Library. The plugin uses PNG watermark images with transparency for precise control over the appearance of the watermarks.

16. Scissors and Watermark
This plugin adds cropping, resizing, and rotating functionality to WordPress’ image upload and management dialogs. Scissors also allows automatic resizing of images when they are uploaded and supports automatic and manual watermarking of images.

17. Watermark My Image
This plugin enables you to watermark your images, by placing a simple, yet very customizable watermark beneath the original images. Watermark My Image enables you to independently customize two texts, by modifying their font family, font size and color.

This is an editorial contribution by CWR SEO, a Houston-based search engine optimization and marketing agency.