Update

Now also sanitizes files uploaded in the form generator (see #5).

Contao 4 bundle

From now on Proper Filenames is Contao 4 bundle which means there is no support for Contao 3 anymore.
If you still need support for Contao 3 you can use version v2.0.5

Update

Now using ausi/slug-generator for more control over how filenames are rewritten (see #3).

v2.0.4: Update CheckFilenames.php

Replacing whitespaces with minus again

Bugfix release

v2.0.3

- fix buggy renaming of files containing _ or -

v2.0.2

Contao does not convert german "Umlaute" anymore. We now remove them.

Bugfix release

v2.0.1

fixed fatal error