STEAMID I/O lookup and convert your steamID, steamID3, steamID64, customURL and community id

input STEAM_0:1:621104 interpreted as steamID anchor
steamID
copy to clipboard STEAM_0:1:621104
steamID3
copy to clipboard [U:1:1242209]
steamID64
copy to clipboard 76561197961507937
profile
view on Steamcommunity.com http://steamcommunity.com/profiles/76561197961507937
add friend