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Count words and characters instantly, then check your text against X, Instagram and LinkedIn limits with this responsive social media character counter and platform planner.
Within the standard 280-character limit.
Within the 2,200-character caption limit.
Within the 3,000-character post limit.
Why Precision Matters in Social Media Character Counts?
Character limits can affect whether a social post appears as intended or gets truncated. Counting characters before publishing helps you keep the important message inside the platform limit, protect the opening hook, and reduce last-minute editing.
Platform Specific Limits Breakdown
| Platform / field | Character limit |
|---|---|
| X post | 280 |
| X Premium post | 25,000 |
| Instagram caption | 2,200 |
| Instagram bio | 150 |
| LinkedIn post | 3,000 |
| LinkedIn headline | 220 |
Maximizing the “Above the Fold” Hook on Instagram and LinkedIn
Put the most useful part of your message early. A practical planning target is to make the first 125 characters of an Instagram caption and the first 140 characters of a LinkedIn post meaningful on their own. These are writing targets, not guarantees of exactly how every device or interface will visually truncate text.
How This Social Media Character Counter Counts Your Text
The tool counts Unicode JavaScript string length for characters, removes whitespace for the characters-without-spaces figure, and separates words using runs of whitespace. It updates in the browser as you type and does not require an external JavaScript library.
Social Media Character Counter FAQ
Do links count as characters on Twitter?
For X posts, links are processed as URLs and can have platform-specific counting behavior rather than simply using the visible number of characters in the displayed URL. This counter shows the raw character count of the text you enter, so treat its X figure as a writing-length check rather than an exact X publishing validator for every URL.
What happens if I exceed Instagram caption limit?
If your Instagram caption exceeds the platform’s supported limit, you will need to shorten it before publishing. Use the 2,200-character check here to identify an over-limit draft early and keep the opening message concise.
How many characters can an X post contain?
The standard X post limit is 280 characters. X Premium users can have a substantially longer post allowance, commonly listed as up to 25,000 characters. Account features and platform rules can change, so confirm the limit in X if you are publishing a very long post.
How long can a LinkedIn post be?
A LinkedIn post can contain up to 3,000 characters. This tool checks your draft against that limit while also showing a 140-character opening target for planning the first part of your post.