Welcome to Expat! · Expat XML parser Toggle navigation Expat XML parser Changelog Download Documentation API Git Repository Users Report a Bug Welcome to Expat! Latest News 2026-08-10 — Expat 2.8.3 has been released, includes security fixes 2026-06-25 — Expat 2.8.2 has been released, includes security fixes 2026-05-10 — Expat 2.8.1 has been released, includes security fixes 2026-04-24 — Expat 2.8.0 has been released, includes security fixes 2026-03-17 — Expat 2.7.5 has been released, includes security fixes Past news entries What is Expat? Welcome to Expat, a stream-oriented XML parser library written in C. Expat excels with files too large to fit RAM, and where performance and flexibility are crucial. There are a number of applications, libraries and hardware using Expat, as well as bindings and 3rd-party wrappers. Expat is packaged everywhere. Please continue reading with: Getting Started XML Security Common Pitfalls If you have found a bug, please report it so it gets fixed. Thank you! The Expat development team Compiled using Pelican with theme Chameleon on top of Bootstrap 3 and Bootswatch "Paper"