Welcome to Expat! · Expat XML parser

Latest News

2026-08-31 —

Expat 2.8.4

has been released, includes security fixes

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

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