Social media character limits 2026: complete table by platform
Updated table with character limits for Twitter, Instagram, Facebook, LinkedIn, TikTok, YouTube and more. Free character counter.
Character limits by platform 2026
| Platform | Type | Limit |
|---|---|---|
| Twitter/X | Tweet (free) | 280 chars |
| Twitter/X | Tweet (Premium+) | 25,000 chars |
| Twitter/X | Bio | 160 chars |
| Caption | 2,200 chars | |
| Bio | 150 chars | |
| Hashtags | 30 max per post | |
| Post | 63,206 chars | |
| Comment | 8,000 chars | |
| Post | 3,000 chars | |
| Article | 120,000 chars | |
| TikTok | Caption | 4,000 chars |
| TikTok | Bio | 80 chars |
| YouTube | Title | 100 chars |
| YouTube | Description | 5,000 chars |
| Threads | Post | 500 chars |
Count characters with the NexTools social media counter.
Why character limits matter
1. Truncation: If meta description exceeds 160 chars, Google cuts it. Tweet over 280? Won't post.
2. Engagement: Short posts win. LinkedIn: 1,200-1,500 chars get most engagement. Twitter: 71-100 chars get most retweets.
3. SEO: Meta tags have display limits. Exceeding wastes Google real estate.
For meta tag optimization, see our SEO meta tags guide.
Twitter/X: limits and strategies
Free tweet: 280 chars. URLs count as 23 (t.co). Images don't count. Hashtags DO count.
Strategy: Threads allow unlimited length. First tweet = hook. 5-10 tweet threads get best engagement.
Shorten URLs with the NexTools URL shortener.
Instagram: captions and hashtags
Caption: 2,200 chars but truncates at ~125 before "more." First 125 chars are most important.
Hashtags: Max 30. 2025 studies: 3-5 relevant beats 30 generic. Mix: 1-2 big (+1M), 2-3 medium (100K-1M), 1-2 niche (<100K).
Bio: 150 chars. Include CTA, niche, and contact.
LinkedIn: long text that drives engagement
Posts: 3,000 chars. LinkedIn favors long content. Posts of 1,200-1,500 chars with formatting (emojis, line breaks, bullets) get 2-3x more engagement.
Hook rule: First 3 lines must engage — LinkedIn truncates at ~210 chars. Start with impact or a question.
Articles: 120,000 chars. Google-indexed. Good SEO channel.
Count words with the NexTools word counter.
TikTok and YouTube: video + text
TikTok: 4,000 chars (expanded 2024). Include keywords — TikTok search works like a search engine for Gen Z.
YouTube title: 100 chars. Recommended 60-70 to avoid truncation. Keyword first.
YouTube description: 5,000 chars. First 100-150 visible before "show more." Include links, timestamps, keywords.
How to write within limits: techniques
1. Cut filler: "In my personal opinion I believe that" → "I believe." "Basically" → delete.
2. Use accepted abbreviations: "&" saves 2 chars. Emojis communicate in 1 char what takes 5-10 words.
3. Prioritize: Most important info first. If truncated, main message delivered.
4. Shorten URLs: Long URLs eat 50+ chars. Shorten to 20 with NexTools shortener.
5. Write, measure, edit: Write freely, then use the NexTools counter to check and trim.
History of character limit changes
Twitter: 140 (2006-2017) → 280 (2017) → 4,000 Blue (2023) → 25,000 Premium+ (2024).
TikTok: 150 (2020) → 300 (2022) → 2,200 (2023) → 4,000 (2024). Each expansion reflects TikTok's evolution from viral videos to content platform.
LinkedIn: 1,300 (pre-2023) → 3,000 (2023). Tripled long-form engagement.
Character counting: unicode and emoji complexity
Emojis on Twitter: Most count as 2 characters (UTF-16 surrogate pairs). Composite emojis (family, flags) can count as 7-11.
CJK characters: On Twitter, count as 2 characters each. One Chinese character = 2 English letters in the limit.
Recommendation: Always use a platform-aware character counter. The NexTools social counter handles these edge cases correctly.
Try this tool:
Open tool→Frequently asked questions
Do URLs count as characters on Twitter
Yes, but Twitter shortens all URLs to 23 characters (via t.co) regardless of original length. A 100-char URL only counts as 23.
How many hashtags should I use on Instagram
Current recommendation (2026): 3-5 relevant hashtags. Less but specific > 30 generic. Mix sizes: big, medium, niche.
Does LinkedIn truncate posts and at how many characters
Yes. Shows ~210 chars before 'see more.' First 3 lines must hook. Full post: up to 3,000 chars.
Do emojis count as 1 or more characters
Platform-dependent. Twitter: most emojis = 2 chars. Instagram: generally 1. Composite emojis (family, flags) can be 7-11 characters.
What is TikTok's caption limit in 2026
4,000 characters (expanded from 2,200 in 2024). TikTok recommends using captions for keywords since its search works like a search engine.
Do YouTube description limits affect SEO
Yes. First 100-150 chars are most important (visible before 'show more,' used by Google in snippets). Include primary keyword in first 2 sentences.