About Substack Usernames
Your Substack subdomain is your newsletter's primary URL (yourname.substack.com) and is crucial for branding and shareability. It's one of the first things potential subscribers see. Effective Substack URLs are professional, memorable, and related to your newsletter name or topic. They're short enough to be easily shared and remembered. The best URLs reflect your newsletter's brand and are appropriate for professional promotion.
How to Use This Tool
- Enter your name or brand - What should the username be based on?
- Add interests (optional) - Include keywords or interests to incorporate
- Choose number preference - Decide if you want numbers included
- Click "Generate Usernames" to get 5 unique suggestions
- Check availability on Substack and claim your favorite
Username Best Practices for Substack
- Keep it memorable: Choose something easy to spell and remember
- Make it brandable: Think long-term - will this still work in 5 years?
- Avoid excessive numbers: Numbers make usernames harder to remember and share
- Check availability: Always verify the username is available before committing
- Be consistent: Use the same or similar username across platforms when possible
Platform Requirements
- Allowed characters: letters, numbers, and hyphens
- Maximum length: 63 characters
- Minimum length: 1 characters
Note: Always check availability on Substack before settling on a username. Generated suggestions are not guaranteed to be available.