diff --git a/tools/readme.md b/tools/readme.md
index e49a92a5e..c57f83dd9 100644
--- a/tools/readme.md
+++ b/tools/readme.md
@@ -1,5 +1,19 @@
 ## Cppcheck developer and build tools
 
+##¤ * tools/astyle-client.py
+
+With this tool you can astyle-format arbitrary cpp/header files even if you do not have astyle on your computer.
+
+astyle on a server is used.
+
+Example usage:
+
+    python tools/astyle-client.py lib/token.cpp
+
+The file is reformatted and a status message is written that says if there were any changes or not.
+
+This script is a lot slower than running astyle locally on your computer.
+
 ### * tools/matchcompiler.py
 
 The matchcompiler.py is a build script that performs a few code transformations to *.cpp* files under the *lib* directory. These transformations are related to the use of `Token::Match()` function and are intended to improve code performance. The transformed files are saved on the *build* directory. This tool is silently used when building the code with `SRCDIR=build`, that is:
@@ -64,3 +78,5 @@ Script that reduces code for a hang/false positive.
 ### * tools/times.sh
 
 Script to generate a `times.log` file that contains timing information of the last 20 revisions.
+
+