PITCh designer 2.1

A free online tool to design sgRNA and microhomologies for gene knock-in.

Citation information

PITCh designer (previous version : version 1.0):

PITCh systems:

Visit the old version of PITCh designer:
version 1.0
version 2.0
*We do not recommend using Internet Explorer to use PITCh designer 2.1.

1. Enter nucleotide sequence




*PITCh system using Cpf1 is unconfirmed


Tm value
CG %
Primers for genotyping :