7z To Nds — Converter

You might find a website promising "Online 7z to NDS Converter." Here is why:

Download and install from the official website (www.7-zip.org). 7z to nds converter

If you have a library of 100 NDS games in 7z format, you do not want to extract them one by one. Here is a power-user trick using the command line (Windows). You might find a website promising "Online 7z