How Many Characters Is a Tweet, Caption, Bio? (2025 Guide)

Every social media platform has character limits. Knowing these limits helps you write better posts and avoid errors.

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Twitter (X) Character Limit

Content TypeCharacter Limit
Tweet280 characters
Twitter Bio160 characters
Twitter Username15 characters

Instagram Character Limits

Content TypeCharacter Limit
Caption2,200 characters
Bio150 characters
Username30 characters

Facebook Character Limits

Content TypeCharacter Limit
Post63,206 characters
Bio101 characters

YouTube Character Limits

Content TypeCharacter Limit
Title100 characters
Description5,000 characters

Why Character Count Matters

Best Way to Count Characters

The easiest method is using an online character counter.

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Who Needs a Character Counter?

FAQ

Does spaces count as characters?

Yes, spaces are counted as characters.

How many characters is a good tweet?

Best engagement is around 70–100 characters.

Conclusion

Every platform has limits. Use our free character counter to stay within limits easily.

Try the Character Counter →