Free Bio Length Checker
Check your bio against character limits for 9 social platforms simultaneously. See which platforms your bio fits and get tips when you're over the limit. No signup required.
100% free — no account needed
characters: 0
Platform Limits
Free Bio Length Checker Features
Instantly see where your bio fits and where it doesn't
9 Platforms
Instagram, TikTok, X, LinkedIn, Facebook, YouTube, Pinterest, Threads, and Bluesky.
Visual Progress
Color-coded bars: green (under 80%), yellow (80-100%), red (over limit).
Real-Time Updates
All progress bars update instantly as you type.
Platform Tips
Get specific advice when your bio exceeds a platform's limit.
FAQ
What are the bio limits?
Instagram: 150, TikTok: 80, X: 160, LinkedIn: 220, Facebook: 101, YouTube: 1000, Pinterest: 160, Threads: 150, Bluesky: 256.
Should I use the same bio everywhere?
Start with a core bio, then adapt for each platform. LinkedIn should be professional, TikTok casual, Instagram creative. Keep your core message consistent.
What makes a good social media bio?
State who you are, what you do, and why someone should follow. Include a call to action. Use keywords for discoverability. Keep it scannable.
Optimize Every Profile
Create perfect bios and schedule content across all platforms.