GitHub Username Checker
Instantly check if your desired username is available on GitHub. No signup needed — just type and search.
About GitHub
GitHub is the largest platform for software development and version control, hosting over 200 million repositories.
Username Rules
Usernames can contain alphanumeric characters and hyphens. They cannot begin or end with a hyphen or contain consecutive hyphens. Maximum 39 characters.
Tips
Your GitHub username appears in all your repository URLs. Keep it short and professional if you use it for work.
How to check GitHub username availability
- Enter your desired username in the search bar
- NickCheckr checks GitHub along with 188 other platforms simultaneously
- See instant results — green means available, red means taken
- If the name is taken on GitHub, try variations or check which other platforms still have it
More Developer platforms
Developer platforms are where your professional coding identity lives. A recognizable username helps with open source contributions, collaboration, and career visibility.
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Why check one platform at a time? NickCheckr scans 189+ websites simultaneously so you can secure your username everywhere.
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