Why character count matters
Every publishing platform has character limits that affect how your content is displayed. Exceeding limits can cause truncation in search results, failed SMS delivery, or rejected ad submissions.
Using a character counter lets you optimize text before publishing — ensuring nothing gets cut off and your message lands exactly as intended.
Characters vs. words
- Social media platforms like Twitter/X use character limits
- Academic submissions usually specify word limits
- SEO fields (title tags, meta descriptions) use character limits
- SMS pricing is based on character count per segment
- Ad platforms like Google Ads enforce strict character caps per field
Frequently Asked Questions
What is the Twitter / X character limit?
Twitter/X allows 280 characters per post. URLs are always counted as 23 characters regardless of their actual length. Images, videos, and GIFs do not count against the character limit.
What is the SMS character limit?
A single SMS segment is 160 characters in GSM-7 encoding (standard Latin text). Messages over 160 characters are split into multiple segments of 153 characters each, as 7 characters per segment are used for reassembly headers. Unicode characters (emoji, accented letters) reduce the limit to 70 characters per segment.
What is the ideal meta description length?
Google typically truncates meta descriptions at around 155–160 characters in desktop search results and around 120 characters on mobile. Aim for 150–160 characters to maximize visibility without truncation.
Does the counter include spaces in the character count?
Yes — the "Characters" count includes spaces. We also show a separate "No spaces" count. Most platform limits (Twitter, SMS, meta descriptions) count spaces as characters.
Is this character counter free?
Yes — completely free with no account required and no usage limits.
How many characters can a tweet be?
Twitter/X allows 280 characters per post. URLs always count as 23 characters regardless of their actual length. Images and videos don't count. The Twitter bar in this tool tracks your count in real time.
How do I check if my meta description is too long?
Paste your meta description into the counter. Google truncates descriptions at around 155–160 characters. The meta description bar turns amber past 80% and red when exceeded. Keep it under 160 characters.
How many characters is one SMS?
A standard SMS is 160 characters (GSM-7 encoding). Messages over 160 characters split into 153-character segments. Emoji and non-Latin characters reduce the limit to 70 characters per segment.
What is the character limit for an Instagram bio?
Instagram bios are limited to 150 characters. The counter includes a live Instagram bar to track this.
What is the Google Ads headline character limit?
Each Google Ads responsive search ad headline is limited to 30 characters. Descriptions are limited to 90 characters. Use the tracker bars to stay within limits before copying to Ads.
How many characters should an email subject line be?
The optimal email subject line is 41–50 characters for desktop and around 30 characters for mobile. Longer subjects are truncated in most email clients.