Lightweight tactile sensor with multimodal capabilities such as, wearability, self-powered operation, and mechanical robustness are of paramount importance in emerging portable electronics that involves human-machine integration. In this effort, an all-fiber wearable nanogenerator (NG) is designed, where, platinum (Pt) nano-particles (NPs) interfaced highly aligned 1D poly(vinylidene fluoride) (PVDF) nano-fibers arrays (Pt-PVDF NFs) is sandwiched between flexible conducting fabrics, consisting of interlocking micro-fibers arrays. In-situ ternary synergistic enhancement of piezoelectricity in nano-dimensionally confined 1D Pt-PVDF NFs arises from extensional force exertion on electrified solution jets, mechanical stretching on rapid collection and Pt-NPs interfacing with macromolecular PVDF chain. As a consequence, mechanically robust structure of Pt-PVDF NFs possess 5 times enhanced piezoelectric figure of merit (FoM(p)approximate to 5x10(-11)Pa(-1)) in comparison to pure PVDF nanofibers (FoM(p)approximate to 9.7x10(-12)Pa(-1)). In addition, owing to the geometrical stress confinement effect, the Pt-PVDF NFs based piezoelectric nanogenerator (PtPENG) is proven to be a high-performance (output voltage, V-oc similar to 30 V and current, I-sc similar to 6 mA cm(-2)) and durable (similar to 90,000 cycles) power generating device (output power, 22 mu W cm(-2)) for small power consumer electronics. Importantly, PtPENG is demonstrated as a static strain-sensitive wearable tactile sensor that paves the way to improve human personalized healthcare monitoring system.