Accurate measurement of various properties of geosynthetics is important for proper quality control and design procedure. Among all the mechanical properties, tensile strength of geosynthetics is one of the important parameter required for design purposes. Current testing procedures available in the laboratory are not capable of measuring the localized strains generated during the tensile test of geosynthetics. These strains are generated in the geosynthetics due to production defects, seam, puncture and tear of the textile and have significant effect on their performance. The instrumentations available in most of the laboratories are capable of measuring linear displacement (hence linear strain) of the crosshead, but that does not necessarily indicate the planar strain developed in the fabric. In this paper, an effort is made to use the particle image velocimetry (PIV) technique to visualize the localized strains developed during the wide width tensile testing of nonwoven geotextile.