Text Case for Social Media – Platform-by-Platform Guide
Published 2026-02-18 · convertcase.in
Different social media platforms call for different text case styles. Here is a quick guide for each major platform.
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1Instagram
Captions: sentence case (or lowercase for aesthetic posts). Bio: lowercase is trendy for personal brands. Hashtags: CamelCase for readability.
2Twitter / X
Posts: sentence case. Headlines: title case. Threads: consistent sentence case.
3LinkedIn
Posts and articles: sentence case. Headlines and job titles: title case.
4TikTok
Video captions: sentence case. Hashtags: lowercase or camelCase.
Frequently Asked Questions
Can I use all lowercase for my whole social media brand?
Absolutely — many modern brands do (e.g., notion, linear). It conveys a casual, friendly personality.