Upload a .log file exported from Star Trek Online to see your DPS and combat performance. Nothing is uploaded to a server or saved anywhere — this all happens right here in your browser.
/CombatLog 1 in the STO chat window right before the fight you want to record./CombatLog 0 once the fight is over to stop logging.Star Trek Online\Live\logs\GameClient\. Look for Combatlog.log, or — if you have several — the most recent Combatlog_<date>_<time>.log file.