Free Character Counter for Twitter, LinkedIn, Instagram — Online Tool (2026)

Every major platform has character limits. Twitter/X, LinkedIn, Instagram, SMS, meta descriptions, email subject lines — writing for digital platforms means constantly working within constraints.

Knowing your character count in real time while writing saves the frustration of composing the perfect post only to discover it is 47 characters over the limit.

Textora's free character counter shows your count in real time against the limits for every major platform. No sign up. No word limits.

Try Free Character Counter →

Character Limits for Every Major Platform

Social Media

Platform	Limit	Notes
Twitter/X post	280 characters	140 for quoted tweets
Twitter/X bio	160 characters
LinkedIn post	3,000 characters	First 210 visible before "see more"
LinkedIn headline	220 characters
LinkedIn summary	2,000 characters
Instagram caption	2,200 characters	First 125 visible before "more"
Instagram bio	150 characters
Facebook post	63,206 characters	Effectively unlimited
Facebook ad headline	40 characters
TikTok caption	2,200 characters
YouTube title	100 characters	70 recommended
YouTube description	5,000 characters	First 157 shown in search

Professional Platforms

Platform	Limit	Notes
Email subject line	No hard limit	40-60 recommended
SMS text message	160 characters	153 with multi-part
Google Ads headline	30 characters
Google Ads description	90 characters
Meta description	160 characters	150-155 recommended
Title tag	60 characters

Writing Applications

Context	Limit	Notes
Tweet thread segment	280 characters
App Store description	4,000 characters
Google Play description	4,000 characters
WhatsApp message	65,536 characters	Effectively unlimited

How to Use the Free Character Counter

1. Go to Textora's free character counter
2. Paste your text or type directly in the box
3. Your character count updates in real time as you type
4. Compare against the platform limit you are writing for

The counter shows both characters with spaces and characters without spaces — useful for platforms that count differently.

Count Characters Free →

Writing for Twitter/X — 280 Characters

Twitter's 280-character limit is the tightest major social media constraint. Every word has to earn its place.

Tips for staying within 280 characters:

Remove filler words. "I think that this is a really interesting approach" → "Interesting approach."

Use contractions. "Do not" → "Don't." "I am" → "I'm." "It is" → "It's."

Replace phrases with single words. "At this point in time" → "Now." "In the event that" → "If." "In order to" → "To."

Use numbers instead of words. "Five" → "5." "Fifteen percent" → "15%."

Cut the opener. Tweets that start with "I wanted to share..." or "Here's something interesting..." waste 30-40 characters before the actual content begins. Start with the content.

What 280 characters looks like: This paragraph is exactly 280 characters including spaces. Notice it fits one clear thought with room for a couple of supporting details and a brief conclusion. That is about the scope of one strong Twitter post.

Writing for LinkedIn — The Platform With the Most Nuance

LinkedIn has generous character limits — 3,000 for posts — but the practical limit is much tighter. Only the first 210 characters appear before the "see more" button.

Your first 210 characters determine whether anyone reads the rest.

The LinkedIn hook formula:

• Ask a question your audience is thinking about
• Or state something counterintuitive
• Or start with a specific number or result
• End the first 210 characters at a natural pause that makes readers want more

Good LinkedIn opener: "I spent six months trying to get my first 100 clients. Then I changed one thing in my outreach email and got 23 responses in two weeks. Here's exactly what I changed:"

That is 207 characters — just under the "see more" threshold. It creates genuine curiosity about what follows.

Writing for Instagram — Captions That Get Engagement

Instagram captions can be up to 2,200 characters but only the first 125 appear above the "more" fold.

Unlike LinkedIn where the hook needs to be compelling to get reads, Instagram captions are often read after the image already created interest. The caption provides context, personality, and a call to action.

Instagram character strategy:

• First 125 characters: reinforce what the image shows and create engagement
• Next 500-1,000 characters: the story or context
• Final characters: hashtags (which add to character count but are often placed after the main caption)

Writing SMS Messages — The 160-Character Constraint

SMS has the tightest real-world character limit. A standard SMS is 160 characters. Beyond 160 it splits into multiple messages — which some carriers join seamlessly but others show as separate messages.

For business SMS — appointment reminders, order confirmations, promotional messages — staying under 160 characters is important for professional appearance and cost management.

What 160 characters looks like: "Hi [Name], your appointment with Dr. Smith is confirmed for Monday May 26 at 2:30 PM. Reply STOP to opt out. Reply HELP for help." — 130 characters.

Meta Descriptions — 155-160 Characters

Meta descriptions are the 2-line snippets that appear under your page title in Google search results. They do not directly affect rankings but significantly affect click-through rate — how many people click your result.

Google typically shows 150-160 characters. Beyond 160 the description gets truncated with an ellipsis which looks incomplete.

Good meta description formula: State what the page offers + a specific benefit + a mild CTA. All in 150-155 characters.

"Free grammar checker online. Catch grammar, spelling, and punctuation errors instantly with plain English explanations. No sign up required." — 142 characters.

Textora's free meta description generator creates optimized descriptions for any page.

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Email Subject Lines — The Unwritten Character Limit

Email clients do not enforce a hard character limit on subject lines but they do truncate them in the preview. Gmail shows approximately 70 characters on desktop and 40 on mobile. Outlook shows about 60.

The practical rule: put your most important information in the first 40 characters. That is what mobile users see.

"Following up: Marketing Manager application" is 43 characters. The important information (what you are following up about) fits in the mobile preview.

Frequently Asked Questions

Is there a free character counter for Twitter? Yes. Textora's free character counter shows your count in real time and displays Twitter's 280-character limit for comparison. No sign up required.

Do spaces count as characters? Yes on most platforms. Twitter, LinkedIn, Instagram, and SMS all count spaces as characters. Textora's character counter shows both counts — with and without spaces.

What is the character limit for LinkedIn posts? LinkedIn posts allow up to 3,000 characters. However only the first 210 characters appear before the "see more" button — so your opening 210 characters are the most important.

How many characters is 160 characters? Roughly 25-35 words depending on word length. A 160-character SMS is about 2-3 short sentences or one clear message with a call to action.

Does hashtag count toward Instagram character limit? Yes. Hashtags count toward Instagram's 2,200-character caption limit.

What is the best free character counter online? Textora's free character counter is completely free with no account required. It shows word count, character count with and without spaces, and sentence count in real time.

Try Free Character Counter — No Sign Up →

Conclusion

Character limits are a basic constraint of digital writing that affects everything from tweets to meta descriptions. Knowing your count in real time while writing eliminates the frustration of editing down an over-limit post after you thought it was finished.

Textora's free character counter works for all platforms — Twitter, LinkedIn, Instagram, SMS, email subject lines, meta descriptions, and any other character-constrained context. No sign up. No word limits.

Count Your Characters Free →