MastaraChef

Simple Redirector lets you redirect all 404 error pages to homepage

Simple Redirector

Simple Redirector is a plugin that will redirect all you 404 error pages to your…

brainfruit

This simple plugin – which is also WordPress network compatible – automatically redirects 404 errors to the best matching and existing content in your WordPress blog. 
The matching is based on the slug of the content not found and searches also on taxonomy pages (tags & categories). This is perfect when you have changed the permalink settings of your taxonomies. 
All redirects are permanent (301) which is a SEO best practice. 
Since this plugin doesn’t need any configuration it works perfect in WordPress Network / multisite setup.

404 ReDirector

Simple, SEO friendly, permanent (301) and automatic redirect of 404 errors.

Simple Redirector vs 404 ReDirector