Roblox tool

Roblox username checker

Check if a Roblox username is available or already taken. Usernames must be 3–20 characters: letters, numbers, and underscores only (not at the start or end).

Roblox username rules

→3 to 20 characters long
→Letters (A–Z), numbers (0–9), and underscores (_) only
→Cannot start or end with an underscore
→No spaces or special characters (!, @, # etc.)
→Changing your username costs 1,000 Robux