Deprecation of the technologies described here has been announced for platforms other than ChromeOS. Please visit our migration guide for details. Native Client (NaCl) is an open-source technology for running native compiled code in the browser, with the goal of maintaining the portability and safety that users expect from web applications. Native Client expands web programming beyond JavaScript,
![Technical Overview - Native Client SDK - Google Code](https://cdn-ak-scissors.b.st-hatena.com/image/square/0de6460538a79d8171fe10e0d781cc26f27d245c/height=288;version=1;width=512/https%3A%2F%2Fwd.imgix.net%2Fimage%2Ffuiz5I8Iv7bV8YbrK2PKiY3Vask2%2FiGPiWTtoy7iF932Xday1.png%3Fauto%3Dformat%26w%3D1521)