Modules add features to Drupal.  They are free and there's no limit to what you can do!

https://drupal.org/project/modules 

 

The Redirect Module

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The Redirect module is an essential tool for managing URL redirects in Drupal. It helps site administrators improve user experience and search engine optimization (SEO) by efficiently handling outdated or incorrect URLs. With its powerful features, the Redirect module is a go-to solution for managing URL changes and avoiding broken links on your site.

The Feeds Tamper Module

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The Feeds Tamper module is an extension of the Feeds module that allows you to modify data before it's saved to Drupal entities. It provides a range of built-in plugins to manipulate data such as trimming text, converting case, performing calculations, and even custom PHP transformations.