MatteoCandura

This plugin simplifies the life of WordPress users. 
Now you can easily create an htpasswd file to improve security of your site. 
Set and edit username and password, decide whether to enable or not the protection and the plugin will create a .htpasswd file and also add the necessary code to .htaccess file. 
You can also enable or disable protection and choose to change the permissions of .htaccess and .htpasswd files’ and set those to 444. This improve your security.
Plugin available on <a href="https://github.com/MatteoCandura/wp-htpasswd" rel="nofollow ugc">GitHub</a>.

WP htpasswd

This plugin improve the security of your website during development. It’s perfect to protect your directory. Easy to install, very easy to create username & password. Good job!

Security

Works amazing!

WP Htaccess helps you to improve the security of your site.

andreacomo

Want to protect resources in a folder only to registered users in your WordPress installation? This plugin sync any WP users with Apache basic authentication system file-based automagically: accessing protected resources will prompt for WordPress account credentials
<h3>Advanced options</h3>
If you want to protect resources with WordPress credential on another server, you can provide FTP credentials: 
this plugin will take care to copy <code>.htpasswd_generated</code> to remote server. It’s up to you then to configure Apache <code>.htaccess</code> file propertly.

WordPress .htpasswd Generator

Sync your WordPress users with .htpasswd file for enabling Apache (2.2.18 and above) basic authentication based on file for your resources

WP htpasswd vs WordPress .htpasswd Generator