Tevilat Kelim After Conversion

Do I have to toivel items that I used prior to my conversion?

One should toivel them without a bracha.

Items used for non-kosher foods should be kashered (by hagala or libun) prior to toveling them (Shulchan Aruch Y.D. 121, 2).

Shut Shevet Halevi (ח”ד סי’ צב אות ב), Shut Tzitz Eliezer (ח”ח סי’ יט אות ה), Shut Yabia Omer (ח”ז יו”ד סי’ ח), Sefer Tevilat Keilim (Cohn, פ”ג סעי’ כד ), Sefer Reishit Darko (סי’ קכ הע’ ג).