For advanced users, you can also use the command line:
| Format | Compression | Common in | Tool needed | |--------|------------|-----------|--------------| | .zip | Moderate | Older ROM sets | Built into Windows/Mac | | .rar | Good | Scene releases | WinRAR, 7-Zip | | .nds | None | Ready-to-play | None (emulator only) | 7z to nds converter
for %i in (*.7z) do "C:\Program Files\7-Zip\7z.exe" x "%i" -o"%i_extracted" While .7z offers the best compression ratio, you may also encounter: For advanced users, you can also use the