What Is a Bio on X?
Your bio is the short description under your name and handle on your X profile. It can be up to 160 characters, according to X's profile help page, and it is the first thing most visitors read before deciding whether to follow.
Example
"Building a CRM for freelance designers. Sharing revenue, mistakes and what I learn along the way. 1,200 users and counting."
That is 133 characters. It says what the person does, what they post about and gives one piece of proof.
Why it matters for growth
- It converts profile visits. People land on your profile after a good reply or post. A clear bio turns that curiosity into a follow.
- It sets expectations. Naming your niche tells the right people they will get more of what they came for.
- It carries proof. A number, a result or a known project makes you credible in one line.
A simple formula: who you help or what you build, what you post about, one proof point. Skip vague lines like "Dreamer. Doer." that could describe anyone.
Related terms
Frequently asked questions
How long can an X bio be?
160 characters. Your display name (up to 50 characters) and website link are separate fields. See profile limits for the full list.
Should I put a link in my bio?
Use the website field for your main link, which keeps the bio itself free for words. A short CTA in the bio, such as "Free guide below", can point people to it.
How often should I update my bio?
Whenever your focus or proof point changes, such as a new milestone or product. A current bio reads as an active account.
Last checked November 2026.
Write yours with the bio generator, or borrow a structure from the founder, indie hacker or creator bio examples.