UMD Submit Server Modifier is a free Chrome add-on developed by UMD CS Student. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory.

This add-on removes line numbers from submissions in the UMD submit server. By doing so, it allows users to copy everything without the line numbers. This feature proves to be useful for individuals who need to reference previous submissions without having to re-download everything. With UMD Submit Server Modifier, users can easily manipulate their submissions and streamline their workflow.

Overall, UMD Submit Server Modifier is a handy tool for those who frequently use the UMD submit server and need to remove line numbers from their submissions.