redirection.io

The redirection.io plugin works in combination with <a href="https://redirection.io" rel="nofollow ugc">redirection.io</a>, a pwerful URL redirection manager (and a lot more).
With redirection.io, you can:
<ul>
<li>manage HTTP redirections ;</li>
<li>log your traffic and check HTTP errors ;</li>
<li>create “Page not found” responses ;</li>
<li>override SEO properties ;</li>
<li>inject rich data into pages ;</li>
<li>etc.</li>
</ul>

This plugin integrates redirection.io with your Wordpress website.

JordiPlana

This plugin hooks the normal WordPress workflow in order to determine if the request is processing will cause a 404 HTTP error. In that case it prevents WordPress to do any other processing and sends the user to the page defined in the plugin options.
A working and simple solution.
For more information about this plugin you can check <a href="http://jordiplana.com/404-simple-redirect-plugin-for-wordpress" title="404 Simple Redirect Plugin for WordPress" rel="nofollow ugc">the official page</a>.

404 Simple Redirect

This plugin hooks the normal Wordpress workflow in order to determine if the request is processing will cause a 404 HTTP error.

redirection.io vs 404 Simple Redirect