> For the complete documentation index, see [llms.txt](https://docs.feedotter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.feedotter.com/set-up-your-own-template/advanced-template-information/filters/other-handy-filters.md).

# Other Handy Filters

```
//Finds all <img> tags in the document and updates their width and height to make them responsive.
//Useful if you are trying to display raw HTML in your email.
| cleanImages

//Remove the "This post ...." text commonly inserted by CMS plugins like Yoast.
| regex_replace('/The post .* (?:appeared first|first appeared) .*\./', '') 

//Strip out all non-basic html.  Useful when trying to display CMS html content in an email.
//This is still risky but cleanup makes it achieveable.
|striptags('<p><br><span><a><div><b><strong><i><em><img>') ]]
```