Adding certain hacks in a plugin then uploading it to your WP site is time consuming. Now you can easily create new plugins directly from your WordPress dashboard.
If you like creating plugins you can simply create them from your WP admin area using Create New Plugin button like you do for adding new posts.
Pluginception for WordPress makes it possible. It lets you quickly and easily create new WordPress plugins.
Install, activate, then visit Plugins>Create a New Plugin menu to create and activate a new blank plugin, live on your website. After creating it you will be taken directly to plugin editor where you can write or paste your new plugin’s code.