SM-SEOGen

This module will automatically generate SEO-frendly url for category, product or for information page while you’re typing their names on create or edit screen. If you’re using Cyrillic letters – module will convert it to Latin letters, all non alphabetical or numerical symbols will be replaced with ”_” (underscore symbol)

Very important feature – this module will generate unique url, so if there is the same url in database as generated, module will add “_1” (_2, _3 and etc.) You can change generated url manually, in this case module will check for uniqueness and warn you but let you to save not unique url.