Username Availability Checker
Check if your desired username is available across all major social networks at once. Enter a username and see which platforms support it.
Enter a single username to check its availability across all platforms
Username Requirements by Platform
- X:1-15 chars, letters/numbers/underscores only
- Instagram:1-30 chars, letters/numbers/periods/underscores
- Threads:Same as Instagram (uses your Instagram username)
- TikTok:2-24 chars, cannot start/end with period
- Pinterest:3-30 chars, letters/numbers/underscores only
- LinkedIn:3-100 chars, must start/end with letter or number
- Bluesky:1-253 chars, letters/numbers/periods/hyphens, or custom domain
Tips
- 💡Keep it under 15 characters to work on all platforms
- 💡Avoid periods and hyphens for maximum compatibility
- 💡Use the same username everywhere for brand consistency
- 💡Avoid numbers unless they're part of your brand
Publish everywhere, guided by real insights
Manage your presence across X, Threads, Instagram, Pinterest, LinkedIn, Bluesky, and Mastodon. Schedule posts, track analytics, and grow your audience across all platforms.
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Supported Platforms
BlueskyHow It Works
Enter Username
Type your desired username in the input field
Check Validity
We show which platforms support your username format
Verify Availability
Click each link to check if the username is available
Frequently Asked Questions
About TheBlue.social
TheBlue.social is a comprehensive social media management platform that helps creators and businesses manage their presence across multiple platforms. From scheduling posts to analyzing engagement, we provide the tools you need to grow your audience and maximize your social media impact.
Free Username Availability Checkers
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