Social Bio Builder
Write your bio below and see live character counts for each major social media platform. Switch platforms to check limits and preview how your bio will look.
100% client-side · no upload
0 / 150 Within limit ✓
Instagram preview
yourhandle
How to use
- Select the platform you are writing for — Instagram, Twitter/X, TikTok, or LinkedIn.
- Type your bio in the text box. The character counter updates live.
- The preview shows how your bio will appear on that platform's profile page.
Related social media tools
- Social Username Availability — find a username for your new profile
- Emoji Keyboard — add emoji to your bio
- Instagram Hashtag Counter — plan your first post after building your bio
よくある質問
- Is this tool free?
- Yes, completely free with no signup and no usage limits.
- Does my bio text leave my device?
- No. All processing runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.