X / Twitter
Tweet: 280Bio: 160DM: 10,000
Character limits for tweets, threads, bios, and direct messages on X (formerly Twitter).
Read full guide →Character Limits for Every Platform
Complete guides to character limits for social media, SEO, and advertising platforms — with our free counter tool built into every guide page.
SEO Meta Description
Meta: 160Title: 60
Google's recommended character limits for meta descriptions and page titles for maximum SERP visibility.
Read full guide →Post: 2,200Bio: 150Story: 220
Caption, bio, story, and hashtag character limits for Instagram posts and profiles.
Read full guide →Post: 3,000Headline: 220Summary: 2,600
Post length, profile headline, and about section character limits for LinkedIn.
Read full guide →SMS
GSM-7: 160Unicode: 70Multi: 153/67
GSM-7 and Unicode SMS character limits, including multi-part message segment encoding.
Read full guide →Google Ads
Headline: 30Description: 90Display URL: 15
Headline, description, and display URL character limits for Google responsive search ads.
Coming soon →TikTok
Bio: 80Caption: 2,200Username: 24
Bio, caption, and username character limits for TikTok creators and brands.
Read full guide →Email Subject Lines
Subject: 60Preview: 90
Recommended subject line and preview text lengths for optimal email open rates.
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