on Just Publishing Advice:
There are hundreds of reasons why you need to edit a photo or an image
Adobe Photoshop is expensive and not easy to use unless you are a professional.
However, we all need to do a little photo editing or resize and crop for simple reasons such as posting on social media. Posting a photo online with ugly red eye is certainly not what you would like to do.
Instagram is a prime example of how adding a few simple photo effects can attract a little more attention.
If you are blogging, you always need an image editor to create your unique featured header images. But if you are busy, you want something that is quick and easy.