HI there, can somebody please help me . I am very new to this and would like to know how to reverse text or image to make a negative . i am using this to make rubber stamps and need the negative image to do so with photopolymer fluid.

thanks in advance 

Feefee

Negative as in 'invert sides' (mirror): select object, press h key.

Or negative as in 'punch a hole into a dark rectangle': see FAQ https://inkscape.org/learn/faq/#how-make-hole-solid-object-hole-donut