Native Client

Native Client (NaCl) was a sandbox for running compiled C and C++ code in the browser efficiently and securely, independent of the user's operating system. NaCl was deprecated in 2020. ChromeOS 138 will mark the end of life for NaCl technology on ChromeOS.

We believe that the vibrant ecosystem around WebAssembly makes it a better fit for new and existing high-performance web apps.

See the migration documentation for help with migrating to WebAssembly.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2024-10-11 UTC.