Home \u203a Social Media Character Limits 2026 Social Media Character Limits 2026: Every Platform (Complete Guide) Complete character limits for every social media platform in 2026. Twitter/X, Instagram, Facebook, LinkedIn, TikTok, YouTube, Threads, Snapchat, Pinterest, and more.
Updated March 2026
Twitter / X Character Limits Element Limit Notes Tweet (Free) 280 characters Main post limit Tweet (Premium) 25,000 characters X Premium subscribers Display Name 50 characters Username (@handle) 15 characters Bio 160 characters DM (Direct Message) 10,000 characters Alt Text (Images) 1,000 characters List Name 25 characters List Description 100 characters
Instagram Character Limits Element Limit Notes Caption 2,200 characters First 125 shown in feed Bio 150 characters Username 30 characters Hashtags per Post 30 max 3-5 recommended for reach Comment 2,200 characters Reel Caption 2,200 characters Story Text No official limit Keep under 200 chars Alt Text 100 characters DM 1,000 characters
Facebook Character Limits Element Limit Notes Post 63,206 characters Optimal: 40-80 chars Comment 8,000 characters Ad Headline 40 characters Recommended Ad Primary Text 125 characters Before "See More" Ad Description 30 characters Page Name 75 characters Page Description 255 characters Group Name 75 characters Username 50 characters Messenger 20,000 characters Event Name 64 characters Event Description 50,000 characters
LinkedIn Character Limits Element Limit Notes Post 3,000 characters Optimal: 1,300-2,000 Article 125,000 characters Article Title 100 characters Comment 1,250 characters Headline 220 characters Summary/About 2,600 characters Company Page About 2,000 characters Connection Request Note 300 characters InMail Subject 200 characters InMail Body 1,900 characters
TikTok Character Limits Element Limit Notes Caption 4,000 characters Was 150, expanded 2023 Bio 80 characters Username 24 characters Comment 150 characters DM 500 characters Video Description 4,000 characters Including hashtags
YouTube Character Limits Element Limit Notes Video Title 100 characters Optimal: 60-70 chars Video Description 5,000 characters Comment 10,000 characters Channel Name 100 characters Channel Description 1,000 characters Playlist Title 100 characters Playlist Description 5,000 characters Short Title 100 characters
Other Platforms Platform / Element Limit Notes Threads Post 500 characters Meta/Instagram Threads Threads Bio 150 characters Pinterest Pin Title 100 characters Pinterest Description 500 characters Pinterest Board Name 50 characters Snapchat Caption 80 characters Reddit Title 300 characters Reddit Post (text) 40,000 characters Reddit Comment 10,000 characters WhatsApp Status 700 characters WhatsApp Message 65,536 characters Discord Message 2,000 characters Discord Server Name 100 characters Substack Post No limit Recommended: 1,000-2,000 words Medium Article No limit Recommended: 1,600-2,400 words
Frequently Asked Questions What is the Twitter/X character limit in 2026? Free Twitter/X users have a 280-character limit per tweet. X Premium subscribers can post up to 25,000 characters.
What is the Instagram caption limit? Instagram captions can be up to 2,200 characters. However, only the first 125 characters show in the feed before 'more' is clicked.
What is the LinkedIn post limit? LinkedIn posts can be up to 3,000 characters. The optimal length for engagement is 1,300-2,000 characters.
What is the TikTok caption limit? TikTok captions can be up to 4,000 characters in 2026, expanded from the original 150-character limit.