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Social Media Bio Generator
Generate engaging social media bios for any platform with AI
Generating needs a PostNext account. New accounts start with a 7-day free trial that asks for a card; cancel before it ends to keep the free plan, which includes AI credits every month.
Check your bio length for free
Paste a bio to see how it fits each network's limit. The check runs in your browser: no account and no AI.
Multi-Platform Support
Stand Out From Crowds
Multiple Variations
Step 1: Describe Yourself
Step 2: Choose Platform & Tone
Step 3: Copy & Paste
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Social Media Bio Generator FAQ
How does the AI bio generator work?
You describe yourself, pick the platform and tone, and the AI writes a bio sized for that platform's limit. Read it and change anything that does not sound like you.
What platforms are supported?
Instagram, X, LinkedIn, TikTok, Facebook, YouTube, Threads and Pinterest. The main limits: Instagram 150 characters, X 160, TikTok 80, a LinkedIn headline 220 (the About section allows 2,600) and a YouTube channel description 1,000.
Does it respect character limits?
It writes to each platform's limit, but AI can miss by a few characters, so check the result with the length check on this page before you paste it.
Can I generate multiple bios?
Yes. Generate a few versions, pick the one that sounds most like you, and try another after a few weeks if it is not bringing the followers you want.
Should I include emojis?
It depends on the platform! Emojis work exceptionally well on Instagram, TikTok, and Twitter/X, adding personality and visual appeal. For LinkedIn and professional networks, use emojis sparingly or skip them entirely. Our AI suggests appropriate emoji usage based on your selected platform.
What makes a good social media bio?
Great social media bios share common elements: a clear value proposition explaining what you offer, authentic personality that connects with your audience, relevant keywords for discoverability, and a compelling call-to-action. The best bios make visitors want to follow and engage immediately.
Can I generate branded bios?
Yes! Our AI creates professional branded bios perfect for businesses, agencies, and personal brands. Include your unique selling proposition, brand voice, industry keywords, and CTAs to drive traffic to your website, store, or latest content.
Is there a limit to bios I can generate?
Generating needs a PostNext account, which includes monthly AI credits, and paid plans include more. Your account also comes with a free link-in-bio page for the link in your profile. The length check on this page is free and works in your browser.