How do I resize any image for WordPress?

Hi Friend,
Installation

• Upload the plugin 'resize-image-after-upload' to the '/wp-content/plugins/' directory.
  
• Activate the plugin through the 'Plugins' menu in WordPress.
  
• Edit the max-width/max-height settings under 'Settings > Resize Image Upload'.
  
• Once active, just upload images as normal and it will just work!

Using WordPress to resize images, is pretty simple.

To get started head to Media » Library from your WordPress admin panel.
Now, upload or click on the image you'd like to resize in WordPress.
From here, click Edit Image.
Under the Scale Image heading, you can enter new dimensions for your image. If you just enter a width, the height will automatically be calculated based on the image ratio or vice versa.