.htaccess File Editor for WordPress

Any experienced webmaster and server administrator knows how to tweak their .htaccess file to handle redirects and  security threats. Thanks to Htaccess File Editor for WordPress, you can make changes to your .htaccess rules without touching your file. It lets you test your changes for syntax errors.

Htaccess File Editor simply makes it safer to apply changes to your .htaccess file. It backs up your file every time you make changes, so you can restore to a previous version. This plugin is compatible with Multisite networks. It is available as a free download.

[where to get it]