Learn WebAssembly – Telegram
A browser-based JPEG Optimizer using WebAssembly and Web Workers https://jpeg.rocks - the underlying encoder is mozjpeg, which is written in Rust

https://jpeg.rocks/
SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox, Servo and various other projects. It is written in C++, Rust and JavaScript. You can embed it into C++ and Rust projects, and it can be run as a stand-alone shell.


https://spidermonkey.dev/