If the major mode of the current buffer is derived from text-mode, then a Text menu is displayed in the menu bar.
The menu hierarchy of the Text menu is described below with the actual command shown in parenthesis next to its label.
anju-transform-text-menu)
upcase-region)
downcase-region)
capitalize-region)
anju-style-menu)
anju-style-bold)
anju-style-italic)
anju-style-code)
anju-style-underline)
anju-style-verbatim)
anju-style-strike-through)
anju-style-remove)
anju-center-text-menu)
center-line)
center-region)
center-paragraph)
anju-fill-text-menu)
fill-paragraph)
fill-region)
fill-region-as-paragraph)
fill-individual-paragraphs)
fill-nonuniform-paragraphs)
toggle-text-mode-auto-fill)
Note the Style menu is visible only for Org and Markdown modes.
This modification is optional. For more detail, see Text Menu Customization.