sprise

No need to find and replace to get broken shortcodes off a site, and you can keep the markup intact until you are ready to use a plugin again.
Including:
<ul>
<li>Single tag shortcodes [sample]</li>
<li>Ability to remove trailing line breaks after shortcodes</li>
<li>Ability to remove shortcodes with closures (content is unaffected) [sample][/sample]</li>
<li>Ability to remove Shortcodes with parameters [sample id=”1″]</li>
</ul>

Shortcode Shhh

Temporarily or permanently disable Wordpress shortcodes across your posts and pages.

upwerd

Remove or replace the footer credit of any WordPress theme with the click of a mouse.

Visual Footer Credit Remover

Remove or replace footer credit of any WordPress theme with the click of a mouse.

Shortcode Shhh vs Visual Footer Credit Remover