Chunk4x:Help screen column header Legal Image Extensions From Joomla! Documentation Revision as of 09:40, 13 August 2020 by MartijnM (talk | contribs) (Marked this version for translation)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Other languages:Deutsch English Nederlands español Legal Image Extensions (File Types). Image file types allowed for uploading, comma separated. Used to check for valid image headers.