 Highlights hyper-elastic and super-light multifunctional emzine slash nanosellulose composite aerogels with high conductivity are designed by constructing biomimetic texture. The emzine slash nanosellulose aerogels as flexible pressure sensors exhibit appealing linear sensitivity performance, 817.3 kPa minus 1. The as-prepared compressible supercapacitor with emzine slash nanosellulose electrodes reveals superior electrochemical performance, 849.2 mfcm minus 2 at 0.8 milliampere cm minus 2. This article was authored by Ting Soo, Koon Song, Koon Liu, and others.