Switch Between The Blur and Sharpen Tools
While working with either the Blur or Sharpen tool, press-and-hold Alt (Mac: Option) to temporarily alternate between them. Release the Alt (Command) key to return to the original tool.
While working with either the Blur or Sharpen tool, press-and-hold Alt (Mac: Option) to temporarily alternate between them. Release the Alt (Command) key to return to the original tool.