This is the command nauty-checks6 that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
nauty-checks6 - check a file of graphs and optionally perform corrections
checks6 [-p#:#w] [infile [outfile]]
Check a file of graphs, optionally write corrected version
Specify range of input lines (first is 1)
-w Write corrected graphs (default is not to write) A header is written if there is
one in the input.
Use nauty-checks6 online using onworks.net services