In this chapter, we will cover the following topics:

• Following conventions for your own template filters and tags
• Creating a template filter to show how many days have passed since a post
• Creating a template filter to extract the first media object
• Creating a template filter to humanize URLs
• Creating a template tag to include a template, if it exists
• Creating a template tag to load a QuerySet in a template
• Creating a template tag to parse content as a template
• Creating a template tag to modify request query parameters