Jon Christopher

It’s insecure to send user account passwords via email, so use this plugin to issue a password reset instead.

New User Password Reset

Automatically issue a password reset when creating new Users

WebFactory

If you need more reset tools install the free, advanced <a href="https://wordpress.org/plugins/wp-reset/" rel="ugc">WP Reset</a> plugin. It has a lot more reset tools to individually reset plugins, themes, transients and media. You can also create database snapshots to restore your WP site with one click if you make a mistake.
The WordPress Database Reset plugin allows you to reset the database (all tables or the ones you choose) back to its default settings without having to go through the WordPress 5 minute installation or having to modify any files.
Features
<ul>
<li>Extremely fast one click process to reset the WordPress database tables</li>
<li>Choose to reset the entire database or specific database tables</li>
<li>Secure and super simple to use</li>
<li>Safe – it’s not possible to accidentally click reset</li>
<li>Prefer the command line? Reset the database in one command</li>
<li>Excellent for theme and plugin developers who need to clean the database of any unnecessary content</li>
</ul>
Command Line
Once activated, you can use the WordPress Database Reset plugin with <a href="http://wp-cli.org/" rel="nofollow ugc">WordPress CLI</a>. List of WP-CLI commands:
Reset all tables:
<pre><code>wp reset database
</code></pre>
Specify a list of tables to reset:
<pre><code>wp reset database --tables='users, posts, comments, options'
</code></pre>
The current theme and plugins will be reactivated by default. You can disable them like so:
<pre><code>wp reset database --no-reactivate
</code></pre>
List table names:
<pre><code>wp reset list
</code></pre>
Support
Create a new post in the <a href="https://wordpress.org/support/plugin/wordpress-database-reset" rel="ugc">WordPress Database Reset support forum</a>.
Want to help out?
<ul>
<li>Provide new <a href="https://translate.wordpress.org/projects/wp-plugins/wordpress-database-reset" rel="nofollow ugc">language translations</a></li>
<li>Want to help others that might be having issues? <a href="https://wordpress.org/support/plugin/wordpress-database-reset" rel="ugc">Answer questions on the support forum</a>.</li>
<li>Rate the plugin – <a href="https://wordpress.org/support/plugin/wordpress-database-reset/reviews/#new-post" rel="ugc">rate it</a></li>
</ul>
WP Database Reset was originally developed in October 2011 by <a href="https://github.com/chrisberthe" rel="nofollow ugc">Chris Berthe</a>. Please do not send him any support questions. If you need assistance the <a href="https://wordpress.org/support/plugin/wordpress-database-reset/" rel="ugc">official forum</a> is the best and fastest way to get it.

Database Reset

Thank you, its cool and quick for dev tasks

Useful tool for developers

Skip reinstalling WP to reset it & reset the WordPress database back to its original state with 1-click.

New User Password Reset vs Database Reset