Allow Accents and Special Characters in Permalinks
Allow you to put accents and special character in your posts permalinks (URLs).
Portugal
Allow you to put accents and special character in your posts permalinks (URLs).
Special Box for Content
Allows you to enter national characters (special characters) in username during registration.
Removes special characters from permalinks
Display certain parts of content at a certain time
Simply Remove Special Characters from WordPress attachments, slugs and permalinks.