TextMorph is an on-page editor for WordPress. With this plugin, you don’t have to go back and forth between your site and the WordPress admin to make changes to your site. You can edit your blog’s name and headline, and post titles, content, author, and date, right from the page itself. You can even add styling to text, such as bold, italic, underling, strikethrough, subscript, superscript, font name, font size, color. You can also add link...
This plugin has the hability to change the title and ALT of all the images in post content. The plugin lists the posts on a table which you can order by name or category. When you select one post, you see the images it has on it’s content, with a thumbnail and current (if any) title and ALT values. You can edit them from there.