Rectus Inc.

This plugin allows you to change the tag page to any page. 
When you set tags for a page, the tag page will be automatically linked; however, you can change this page to any page you prefer.

Rectus Term Link

You can change the tag page linked from the tag to any page you like.

Sergio

Removes category base from your category permalinks (optional). By default is enabled. 
Removes parents categories from your category permalinks (optional). 
Removes tag base from your tag permalinks (optional).
The three options above are optional and generate their own rewrite rules.
Compatible with WPML Plugin and WordPress Multisite.
Read the <a href="https://wordpress.org/plugins/wp-no-base-permalink/faq/" rel="ugc">FAQ</a> before use.

WP No Base Permalink

It solves the main issue with category permalinks. Simple and effective.

Does the job!

Removes category base or parents categories or tag base from your permalinks. Compatible with WPML Plugin and WordPress Multisite.

Rectus Term Link vs WP No Base Permalink