🔤 Character Counter
Count characters with and without spaces, words, lines and bytes. Live progress bars for Twitter/X (280) and meta description (160) limits. Free, no login.
What is a Character Counter and Why Does It Matter?
A character counter is a tool that measures the exact number of characters, words, lines, and bytes in a piece of text. While word count is the headline metric for long-form writing, character count is the critical metric for any platform-constrained content: social media posts, meta descriptions, SMS messages, ad copy, UI labels, and API payloads all have specific character limits that determine whether your content is accepted or truncated.
Understanding the difference between counting with spaces (total visible and invisible characters including spaces and newlines) and without spaces (only non-whitespace characters) is essential. Twitter counts spaces as characters; some database column limits are based on character count with spaces; CSS max-length attributes count all characters including spaces.
Platform Character Limits — Reference Table
| Platform / Use Case | Limit | Notes |
|---|---|---|
| Twitter/X (free) | 280 | URLs count as 23 chars |
| Meta description | 155–160 | Google truncates at ~160 |
| Meta title (SEO) | 50–60 | Google truncates at ~60 |
| SMS message | 160 | GSM-7 encoding; 153 if multipart |
| LinkedIn post | 3,000 | Shows "See more" after 210 |
| Instagram caption | 2,200 | Shows "More" after 125 |
| Google Ads headline | 30 | 3 headlines × 30 chars each |
| Google Ads description | 90 | 2 descriptions × 90 chars |
Frequently Asked Questions
What is the Twitter/X character limit?
Twitter/X allows 280 characters per tweet for standard accounts (doubled from 140 in 2017). URLs are always counted as 23 characters regardless of actual length, due to t.co shortening. X Premium subscribers can post up to 25,000 characters.
What is the ideal meta description length?
Google displays 155–160 characters of a meta description before truncating. Mobile can show fewer (~120 chars). Best practice: put your most important information in the first 120 characters, keep the full description under 155 characters for maximum display on all devices.
What is the difference between characters and bytes?
For standard ASCII (English letters), 1 character = 1 byte. For Unicode characters — accented letters, Arabic, Chinese, emoji — one character can use 2–4 bytes in UTF-8. Byte count matters for database field limits, API payload limits, and file storage calculations.