Social Media Character Limits 2025: Complete Guide for All Platforms

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Social Media Character Limits 2025: Complete Guide for All Platforms
Ever typed the perfect post only to see it get cut off? Or wondered why your Instagram caption looks fine but your tweet needs editing? Every social platform has different character limits, and knowing them saves time and frustration. Here's your complete guide to every character limit that matters in 2025.
For a complete directory of social media platforms, see our top 100 social media platforms guide.
Quick Reference: Character Limits by Platform
Platform | Post/Caption | Bio/Description | Username |
---|---|---|---|
Twitter/X | 280 characters | 160 characters | 15 characters |
2,200 characters | 150 characters | 30 characters | |
63,206 characters | 101 characters | 50 characters | |
3,000 characters | 2,600 characters | 100 characters | |
TikTok | 2,200 characters | 80 characters | 24 characters |
Twitter/X Character Limits
Core Limits
Standard Tweet:
- 280 characters for regular users
- Links count as 23 characters (regardless of actual length)
- Images don't count toward limit
- @mentions at start don't count
Twitter Blue/X Premium:
- 25,000 characters for long-form posts
- Appears collapsed with "Show more" option
- Same thread rules apply
Other Twitter/X Limits
Profile Elements:
- Bio: 160 characters
- Username: 15 characters
- Display name: 50 characters
- Location: 30 characters
- Website: 100 characters
Direct Messages:
- 10,000 characters per message
- Unlimited messages per conversation
Best Practices:
- Keep tweets under 250 characters for better engagement
- Use threads for longer thoughts
- Place important info in first 100 characters
- Save space with link shorteners
Instagram Character Limits
Post and Story Limits
Feed Posts:
- Caption: 2,200 characters
- Only first 125 characters show without "more"
- 30 hashtags maximum
- 20 user tags maximum per post
Instagram Stories:
- Text overlay: No official limit (keeps shrinking)
- Caption stickers: ~200 characters visible
- Hashtag stickers: 1 per story
- Mention stickers: 10 per story
Profile and Other Limits
Profile Details:
- Bio: 150 characters
- Username: 30 characters
- Name field: 30 characters
- Website: 1 link only (unless using link tools)
Instagram Reels:
- Caption: 2,200 characters
- Same hashtag limits as posts
- Title: 75 characters (optional)
Comments and DMs:
- Comments: 2,200 characters
- Direct messages: 1,000 characters
- Story replies: 1,000 characters
Optimization Tips:
- Front-load important info in first 125 characters
- Use line breaks for readability
- Mix hashtags in caption and first comment
- Keep bio concise with clear CTA
Facebook Character Limits
Post and Status Limits
Regular Posts:
- Status update: 63,206 characters (but why?)
- Visible without clicking: ~477 characters
- Recommended: 40-80 characters for engagement
Facebook Pages:
- Page description: 255 characters
- About section: 101 characters shown
- Username: 50 characters
- Cover photo description: 1,024 characters
Facebook Ads Limits
Ad Copy:
- Primary text: 125 characters recommended
- Headline: 40 characters
- Description: 30 characters
- Link description: 30 characters
Video Captions:
- 2,200 characters maximum
- Auto-generated captions available
Groups and Events:
- Group name: 75 characters
- Group description: 3,000 characters
- Event name: 75 characters
- Event description: 63,206 characters
Pro Tips:
- Keep posts under 250 characters for 60% more engagement
- Use Facebook Notes for long-form content
- Test different lengths for your audience
- Include clear CTAs in visible portion
LinkedIn Character Limits
Professional Content Limits
Regular Posts:
- Post: 3,000 characters
- Only first 140 characters visible in feed
- Article headline: 150 characters
- Article body: 110,000 characters
Profile Sections:
- Headline: 220 characters
- About/Summary: 2,600 characters
- Experience description: 2,000 characters per role
- Skills: 50 maximum
LinkedIn Messaging
Messages:
- Regular message: 8,000 characters
- InMail subject: 200 characters
- InMail body: 1,900 characters
- Connection request note: 300 characters
Company Pages:
- Company description: 2,000 characters
- Tagline: 120 characters
- Showcase page name: 100 characters
Engagement Strategy:
- Keep posts 150-300 characters for best engagement
- Use native video (10 minutes max)
- Break up text with emojis and line breaks
- Start with hook in first 140 characters
TikTok Character Limits
Video Content Limits
Video Descriptions:
- Caption: 2,200 characters (expanded from 300)
- Visible in feed: ~100 characters
- Hashtags count toward limit
- @mentions count toward limit
Profile Limits:
- Bio: 80 characters
- Username: 24 characters
- Display name: 30 characters
- Link in bio: 1 only
TikTok Features
Comments:
- 150 characters per comment
- Replies: Same limit
- Pinned comments: 3 maximum
Live Streaming:
- Title: 32 characters
- Go Live requirement: 1,000+ followers
Best Practices:
- Use 3-5 hashtags maximum
- Front-load key information
- Keep captions conversational
- Use text overlay for context
YouTube Character Limits
Video Publishing Limits
Video Details:
- Title: 100 characters (70 visible in search)
- Description: 5,000 characters
- Tags: 500 characters total
- Thumbnail text: No limit (keep readable)
Channel Details:
- Channel description: 1,000 characters
- About section: 5,000 characters
- Channel name: 50 characters
- Custom URL: 100 characters
YouTube Shorts
Shorts Specific:
- Title: 100 characters (same as regular)
- Description: 5,000 characters
- Hashtags: Include #Shorts
- Duration: 60 seconds maximum
Comments and Community:
- Comments: 10,000 characters
- Community posts: 5,000 characters
- Live chat: 200 characters
Optimization Strategy:
- Use 60-70 characters for titles
- Include keywords in first 125 characters of description
- Use 10-15 relevant tags
- Create compelling thumbnails with minimal text
Pinterest Character Limits
Pin Limits
Pin Details:
- Pin title: 100 characters
- Pin description: 500 characters
- Board name: 50 characters
- Board description: 500 characters
Profile Details:
- Bio: 160 characters
- Username: 30 characters
- Display name: 65 characters
- Website: Verified domain only
Rich Pins:
- Article pins: Pull metadata automatically
- Product pins: Include pricing and availability
- Recipe pins: Include ingredients and cook time
Pinterest SEO:
- Use all 500 characters in descriptions
- Include 2-3 keywords naturally
- Create keyword-rich board names
- Use hashtags sparingly (2-5)
Snapchat Character Limits
Snap and Story Limits
Snap Text:
- Caption: 80 characters per line
- Multiple lines allowed
- Text overlay: 33 characters visible
Profile Limits:
- Display name: 30 characters
- Username: 15 characters
- Bio: 80 characters
Chat Features:
- Chat message: 1,000 characters
- Group name: 32 characters
- Group size: 63 members
Reddit Character Limits
Post and Comment Limits
Posts:
- Title: 300 characters
- Text post: 40,000 characters
- Comment: 10,000 characters
- Username: 20 characters
Subreddit Creation:
- Subreddit name: 21 characters
- Description: 500 characters
- Rules: 500 characters each
- Wiki pages: No limit
Best Practices:
- Keep titles under 120 characters
- Use TL;DR for long posts
- Format with markdown
- Follow subreddit-specific rules
Discord Character Limits
Message Limits
Text Channels:
- Message: 2,000 characters
- Nickname: 32 characters
- Username: 32 characters
- Channel name: 100 characters
Server Details:
- Server name: 100 characters
- Channel topic: 1,024 characters
- Role name: 100 characters
- Custom status: 128 characters
Nitro Benefits:
- Message: 4,000 characters
- Larger file uploads
- Custom server profiles
📝 Character Limit Pro Tips
Writing Strategies:
- ✅ Draft in a word processor first
- ✅ Use character counter tools
- ✅ Keep key info upfront
- ✅ Test different lengths
- ✅ Save templates for consistency
Space-Saving Tips:
- ✅ Use link shorteners
- ✅ Replace "and" with "&"
- ✅ Use numbers not words
- ✅ Employ common abbreviations
- ✅ Remove unnecessary words
Platform-Specific Best Practices
Short-Form Platforms (Twitter, Pinterest)
Writing Techniques:
- Lead with the hook
- Use threads for complex ideas
- Include visuals to extend message
- Master the art of brevity
Long-Form Platforms (Facebook, LinkedIn)
Content Strategy:
- Use formatting for scannability
- Break up text with paragraphs
- Include compelling openings
- Add clear calls-to-action
Visual Platforms (Instagram, TikTok)
Caption Approach:
- Let visuals tell the story
- Use captions for context
- Include relevant hashtags
- Encourage engagement with questions
Tools for Managing Character Limits
Character Counter Tools
Free Options:
- Character Count Online
- Word Counter
- Letter Count
- Social media platform previews
Scheduling Tools with Counters:
- SocialRails (automatic optimization)
- Hootsuite (platform-specific counters)
- Buffer (real-time counting)
- Later (visual preview)
Writing Aids
Condensing Tools:
- Hemingway Editor
- Grammarly (conciseness suggestions)
- TLDR This (summarization)
- Quillbot (paraphrasing)
Common Character Limit Mistakes
What to Avoid
Truncation Issues:
- Important info cut off
- Links breaking mid-URL
- Hashtags incomplete
- CTAs hidden
Poor Formatting:
- Wall of text on visual platforms
- No line breaks on LinkedIn
- Excessive hashtags on Twitter
- Missing spaces to save characters
How to Fix Them
Prevention Strategies:
- Always preview before posting
- Use scheduling tools with previews
- Test on different devices
- Keep backups of longer versions
Character Limits for Ads
Paid Social Requirements
Facebook/Instagram Ads:
- Primary text: 125 characters
- Headline: 40 characters
- Description: 30 characters
LinkedIn Ads:
- Headline: 70 characters
- Description: 100 characters
- Message ads: 1,500 characters
Twitter/X Ads:
- Same as organic (280 or premium)
- Card headlines: 70 characters
- Card descriptions: 200 characters
Google Ads (for reference):
- Headlines: 30 characters each
- Descriptions: 90 characters each
- Path fields: 15 characters each
Future of Character Limits
Trends to Watch
Expanding Limits:
- Platforms increasing limits (TikTok from 300 to 2,200)
- Premium tiers offering more space
- Long-form content becoming more popular
New Features:
- Voice tweets and audio content
- Auto-summarization tools
- AI-powered condensing
- Cross-platform optimization
Never Hit a Character Limit Again
Schedule and optimize your content across all platforms with automatic character counting, platform-specific previews, and smart recommendations
Frequently Asked Questions
What happens if I exceed character limits on social media posts?
Most platforms either cut off your content at the limit or prevent posting entirely. Instagram shows "more" after 125 characters, Facebook truncates longer posts, and Twitter prevents posting over 280 characters. Always preview content before publishing to avoid truncation issues.
Do emojis count toward character limits?
Yes, emojis typically count as 1-2 characters depending on the platform and emoji complexity. Simple emojis usually count as 1 character, while compound emojis (like skin tone variations) may count as 2. Plan accordingly when using emojis in your content.
How do links affect character counts on different platforms?
Twitter counts all links as 23 characters regardless of actual length. Facebook doesn't count characters for links in posts. Instagram links in captions count toward the 2,200 character limit. LinkedIn counts full link length unless using their native link preview feature.
Which platform has the most restrictive character limits?
Twitter remains the most restrictive with 280 characters for regular users. TikTok bios are very short at 80 characters. For regular posting, Twitter's limit requires the most concise writing, while platforms like Facebook allow much longer content.
Should I always use the maximum character count available?
No, shorter content often performs better. Instagram posts under 250 characters get 60% more engagement. Twitter posts around 100-150 characters typically see higher engagement than those using the full 280 characters. Focus on clarity and value over length.
How do I write engaging content within strict character limits?
Lead with your hook in the first few words, use strong action verbs, eliminate unnecessary words, employ numbers instead of spelling them out, and use "&" instead of "and." Make every word count and end with clear calls-to-action.
Do character limits include hashtags and mentions?
Yes, hashtags and @mentions count toward character limits on most platforms. Instagram allows 30 hashtags but they count toward the 2,200 character caption limit. Twitter's @mentions and hashtags count toward the 280 character limit. Plan your hashtag strategy accordingly.
Can I break character limits by using multiple posts or threads?
Yes, platforms like Twitter allow threads to extend your message across multiple connected posts. Instagram carousel posts let you use multiple captions. LinkedIn allows long-form articles for extended content. Use these features strategically for complex topics requiring more space.
How do character limits vary between free and premium accounts?
Twitter/X Premium accounts can post up to 25,000 characters compared to 280 for regular users. Most other platforms don't offer character limit increases with premium accounts. LinkedIn Premium doesn't increase posting limits but offers other messaging features.
What tools help me stay within character limits while writing?
Most social media scheduling tools like SocialRails, Hootsuite, and Buffer show real-time character counts. Browser extensions, native platform composers, and simple online character counters also help track limits while writing content.
Related Resources
- Social Media Scheduling Guide - Schedule within limits automatically
- Twitter Character Limit Guide - Deep dive into Twitter/X
- Instagram Caption Guide - Write perfect captions
- Social Media Image Sizes - Visual requirements
- Best Times to Post - Optimize posting schedule
- Content Calendar Template - Plan content efficiently
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