Social Media Character Limit Tester
Test copy length in real-time against character and word limits for Twitter/X, LinkedIn, Instagram, Google Ads, and SMS.
Type or paste your copy to test character limits across Twitter/X, LinkedIn, Instagram, Google Ads, YouTube, and SMS in real-time.
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Twitter / X Post
SocialTwitter / X Bio
SocialLinkedIn Post
SocialLinkedIn Headline
SocialInstagram Caption
SocialInstagram Bio
SocialGoogle Ads Headline
AdsGoogle Ads Description
AdsSMS Message (1 Segment)
MessagingYouTube Video Title
VideoYouTube Description
VideoPinterest Pin Description
SocialAdvertisement
What is the Social Media Character Limit Tester?
The Social Media Character Limit Tester validates marketing copy and social posts in real time against strict length limits across 12+ major platforms including Twitter/X, LinkedIn, Instagram, Google Ads, YouTube, and SMS messaging.
Who is the Social Media Character Limit Tester for?
Built for social media managers, copywriters, digital advertisers, and growth marketers preparing cross-platform content campaigns.
How to Use the Social Media Character Limit Tester
- Type or paste your post, ad copy, or headline into the editor.
- View real-time character, word, sentence, and paragraph counters.
- Filter by category (Social, Ads, Messaging, Video) to check platform gauges.
- Ensure all target platforms display green 'Fits' badges before publishing.
Worked Example
Frequently Asked Questions
What is the single-segment SMS character limit?
A single standard SMS text message is limited to 160 GSM-7 characters. Messages exceeding 160 characters are split into concatenated 153-character segments.
What are the character limits for Google Responsive Search Ads?
Google Search Ads allow up to 15 headlines (30 characters max each) and up to 4 descriptions (90 characters max each).
What is the Twitter/X character limit?
Standard Twitter/X posts are limited to 280 characters. Bios are capped at 160 characters.
What is the character limit for Google Search Ads?
Google Ads headlines allow up to 30 characters each. Descriptions allow up to 90 characters.
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