It is true that anyone can download images on the web, but permission may be required to reuse, edit and use downloaded images for commercial purposes. Any image may have copyright or terms of use, so it is important to obtain permission before using images.

New technologies may allow uncontrolled copying and use of images. However, such actions may be against the law and ethical guidelines. Using the work of others without permission can be a violation of intellectual property rights.

There are various ways to protect your images. One option is to watermark your images. A watermark can be in the form of a logo, text or other marking and is added over the image, indicating its authenticity and ownership. This can deter people from using your images without permission.

However, software like YITH WooCommerce Watermark only helps you add watermarks. Such software makes the process easier by automatically watermarking your images. However, it is important that you carefully review the licence terms and usage limitations of such software before using it.

Each country may have different legal regulations regarding copyright and use of images. It is therefore best to comply with local laws and seek advice from a specialist lawyer or intellectual property expert where necessary.