Question 1: What are functions of Viet Tools?

Question 2: What are advantages of Viet Tools comparing to other products of same function?

Question 3: What is Red Pen HTML? Why is it needed? In what case is it used?

Question 4: Why are some phrases highlighted with blue and red colors by Red Pen?

Question 5: Red Pen reports too many errors for correct spelling words and phrases. What is the reason?

Question 6: How can I remove red and blue color highlighted by Red Pen?

Question 7: In the "Option" of Red Pen, there is a section of "The levels of grammar checking". What does it mean?

Question 8: How can I make Red Pen information less about green errors?

Question 9: What are old and new methods of diacritic typing?

Question 10: How can I make Red Pen work efficient for texts of large size?

Question 11: How can I improve error-checking performance of Red Pen?

Question 12: Why does Red Pen has the option of "Automatic diacritic standardization".

Question 13: I add new words into Vietnamese dictionary. How can I share these words with friends?

Question 14: Currently, on the market, what are products equivalent to Viet Tools?