CheerpX For Flash is a long-term HTML5 solution for preserving accessibility to Flash applications on modern unmodified browsers. It is based on a WebAssembly-emulated version of the Adobe Flash Player,, ensuring 100% compatibility with Flash, including ActionScript 2/3, Flex and Spark. CheerpX For Flash runs securely, fully client-side, on normal browsers, without any local installation or requirement. Available to both Flash developers and integrators, it does not require access to the source code.