Craft the perfect bio for any platform in seconds. AI-powered, personalized to your role, and optimized for character limits.
Tell us about yourself and your platform
3 unique bios tailored for LinkedIn
Your Bio Will Appear Here
Fill out the form on the left and get 3 unique bio options for your LinkedIn profile.
Each bio fits your platform's character limits and culture perfectly.
Get three unique variations so you can pick the one that feels right.
What to do with this result
This free generator writes the bio people read before they click. MediaFast finds the subreddits worth posting in, drafts rule-aware posts under that same voice, and builds a daily plan so the profile does not go quiet after one good bio.
Not sure which one fits? Compare every plan side by side further down this page.
When someone lands on your profile, your bio has about 3 seconds to convince them to follow, connect, or click through.
Profile visitors decide whether to follow, connect, or leave within 3 seconds. Your bio is the single most important piece of copy on your profile.
Profiles with keyword-rich, specific bios surface more often in platform search than generic ones. Keywords, formatting, and tone all matter for getting found.
Using the same personal brand voice across LinkedIn, Twitter, and Reddit creates recognition. People who see you on one platform trust you faster on another.
LinkedIn bios get indexed by recruiters and buyers. Include your title, core expertise, and a hint of personality. Keywords help you get found in LinkedIn search results.
You have 160 characters. Lead with what you do, add a personality marker, and include a relevant link. Every word must earn its spot in your bio.
Reddit users check profiles before engaging. A bio that shows you are a genuine community member (not a marketer) builds trust before you ever post content.
Every platform cuts you off at a different point, and a bio written for LinkedIn will not survive TikTok's 80 characters. These are the limits the generator writes against, checked against each platform's live profile editor.
| Platform | Bio field | Character limit | What to prioritize |
|---|---|---|---|
| Headline | 220 | Role, expertise keywords, one proof point | |
| Twitter/X | Bio | 160 | What you do, one personality marker |
| Profile description | 200 | Sound like a member, not a marketer | |
| GitHub | Bio | 160 | Stack, current project, contributions welcome or not |
| Bio | 150 | Niche, vibe, and the link-in-bio payoff | |
| TikTok | Bio | 80 | One sharp line, nothing else fits |
| YouTube | Channel description | 1,000 (this tool writes a tight 200) | First 100 to 150 characters show before the fold |
Prefer to write it yourself? These skeletons cover the three most common profile goals. Swap the brackets, cut until it fits the limit, and you are done. If you want variations in different tones, tools like MediaFast's generator above will draft three at a time.
The professional (LinkedIn, GitHub)
[Role] helping [audience] [outcome]. Previously [credibility marker]. Building [current project].
The builder (Twitter/X, Reddit)
Building [product] to fix [problem]. Sharing what I learn about [topic]. [One human detail].
The creator (Instagram, TikTok, YouTube)
[Niche] for [audience]. New [content type] every [cadence]. [CTA for the link below].
Everything you need to know about writing bios that convert.
Our tool generates bios for 7 platforms: LinkedIn (220 characters), Twitter/X (160 characters), Instagram (150 characters), Reddit (200 characters), GitHub (160 characters), TikTok (80 characters), and YouTube (trimmed to 200 characters). Each bio is optimized for the platform's character limit and audience expectations.
A strong LinkedIn bio should state your role, highlight your key expertise, and hint at the value you provide. Avoid buzzwords like 'synergy' or 'guru'. Be specific about your achievements and include relevant keywords for searchability. Our AI generates multiple options so you can pick the best fit.
Yes. Choose from six tones: professional, casual, witty, inspirational, minimalist, and bold. Each tone produces a different style of bio, so you can match it to your personal brand and the platform you are writing for.
Yes, every bio is generated fresh by AI based on your specific role, platform, tone, and keywords. You will get 3 unique options per generation, and running it again produces entirely new bios.
Each platform has different character limits, audiences, and expectations. A LinkedIn bio should be professional and keyword-rich. A Twitter bio should be punchy and personality-driven. An Instagram bio should be creative and visual. Our tool adapts to each platform automatically.
MediaFast turns the audience your bio attracts into actual subscribers. Find the right subreddits for your niche, draft posts in your voice, and track which Reddit threads send people to your link in bio.
