Quick Answer
Facebook posts allow up to 63,206 characters. For best engagement, keep posts under 80 characters. Ad headlines are capped at 40 characters (recommended).
Check Your Character Count
Paste your Facebook post or ad copy into our free word counter tool to check character count before publishing. No sign-up needed.
Frequently Asked Questions
What is the Facebook post character limit?
Facebook allows up to 63,206 characters per post. However, posts under 80 characters typically receive the most engagement.
What is the Facebook ad character limit?
Facebook recommends 40 characters for headlines, 125 characters for primary text, and 30 characters for descriptions. These are recommendations — you can write more, but it gets truncated.
How long can a Facebook comment be?
Facebook comments can be up to 8,000 characters long.
What is the ideal Facebook post length?
For engagement, posts between 40–80 characters tend to perform best. For storytelling or thought leadership, 200–500 characters can also work well with good formatting.
What is the Facebook bio character limit?
Your personal Facebook bio (Intro section) is limited to 101 characters. Facebook Business Page descriptions are limited to 255 characters.
