Bestony

You can get a New Button On your TinyMCE Editor to add Your Update Signature in your post or page.
Plugin Support 
* TinyMCE Support 
* QuickTag Support

Insert Update Time

You can get a New Button On your TinyMCE Editor to add Your Update Signature in your post or page.

Till Krüss

Forces the WordPress editor to paste everything as plain text.

Paste as Plain Text

Gets rid of the pesky problem of unexpected erroneous tags in the post content. No more explaining to do. Thanks!

A big help

Forces the WordPress editor to paste everything as plain text.

Insert Update Time vs Paste as Plain Text