Working with command line:
Parameters in [] are optional.

htmltortf.exe [-table yes/no] [-image yes/no] [-face ..] 
	      [-size ..] [-align ..] [-kh yes/no] [-kf yes/no]
	      [-ks yes/no] [-kc yes/no] [-ka yes/no]
	      input_file.htm output_folder

-table Convert tables
-image Convert images
-face  Font face (example -face Arial, if you use long font name, then you need " ")
	 	 (example -face "Times New Roman")
-size  Font size (example -size 12)
-align Page alignment (example -align justify or -align left)
-kh    Keep hyperlinks (example -kh yes)
-kf    Keep font face as in HTML (example -kf yes)
-ks    Keep font size as in HTML
-kc    Keep font color as in HTML
-ka    Keep alignment as in HTML
-language (default English, you may select another language: Albanian, Belgian,
	  Bulgarian, Czech, Danish, English, Finnish, French, German, Hungarian, Italian
	  Latvian, Lithuanian, Netherlands, Norwegian, Portuguese, Romanian, Russian,
	  Spanish, Swedish, Ukrainian,
	  Japanese, SimplifiedChinese, TraditionalChinese, Korean.)

-border   (table borders, default "invisible". you may select: "Invisible", "Visible", "AsinHTML" - not case sensitivity).
-ktw	Keep table width (example: -ktw yes)
-knt 	Keep nested tables (example: -knt no)

-encoding Example: -encoding windows-1251
	  Possible values: windows-1250, windows-1251, windows-1252, windows-1253, windows-1254, windows-1255
			   windows-1255, windows-1256, windows-1257, windows-1258, koi8-r, latin1, utf-8.

To convert to simple text format use this key:
-txt

For instance:

htmltortf.exe D:\test.htm d:\ -txt

Page margins:

-ml	Margin left, mm
-mr	Margin	rigth, mm
-mt	Margin	top, mm
-mb	Margin bottom, mm

example: -ml 20 -mr 20 -mt 30 -mb 30
or:	 -mr 50

-psize - page size, possible values: 	A4, A3, A5, B5, Letter, Legal, Executive, Monarh

example: -psize A4

Examples:
htmltortf.exe -table yes D:\test.htm d:\tmp
htmltortf.exe -table no -image yes "D:\My test page.htm" d:\tmp
htmltortf.exe -face Verdana -size 12 "D:\My test page.htm" d:\tmp
htmltortf.exe -table yes -border visible D:\test.htm d:\
HTMLtoRTF.exe -table yes -border asinhtml d:\test3a.htm d:\

You may use only input_file.htm and output_folder:
htmltortf.exe D:\test.htm d:\tmp

Than other parameters will set default:

CONVERT TABLES: yes
CONVERT IMAGES: no
FONT FACE: Arial
FONT SIZE: 10
PAGE ALIGNMENT: justify
KEEP HYPERLINKS: no
KEEP FONT FACE AS IN HTML: no
KEEP FONT SIZE AS IN HTML: no
KEEP FONT COLOR AS IN HTML: yes
KEEP ALIGNMENT AS IN HTML: yes
RTF LANGUAGE: Italian
TABLE BORDER: Visible

----------------------------------------------
All results will save in htmltortf.log !!!
See htmltortf.log
----------------------------------------------

Also you may use cfg file, for example "myconf.cfg" - (must have .cfg - extension)
htmltortf.exe myconf.cfg

myconf.cfg
---------------------------------------------
Input file: d:\temp\test.html 
Out folder: d:\temp
Convert tables: Yes
Convert images: Yes
Font face: Arial
Font size: 10
Page alignment: justify
Keep hyperlinks: No
Keep font face as in HTML: No
Keep font size as in HTML: No
Keep font color as in HTML: No
Keep alignment as in HTML: Yes
RTF language: English
Table border: Visible
Keep table width: Yes
keep nested tables: Yes
Margin left: 10
Margin right: 25
Margin top: 10
Margin bottom: 10
Page size: Letter


