Facebook Character Limits in 2026
Complete guide to Facebook character limits for posts, bios, comments, and ads. Covers the 63,206-character post limit and all other Facebook text fields.
All Facebook Character & Post Limits
| Field | Limit | Unit | Notes |
|---|---|---|---|
| Posts & Captions | |||
PostPrimary | 63,206 | characters | Truncated after ~477 characters in feed |
| Profile & Bio | |||
Bio / Intro | 101 | characters | — |
Page Description | 255 | characters | — |
Username | 50 | characters | — |
| Comments & Replies | |||
Comment | 8,000 | characters | — |
| Messages | |||
Messenger Message | 20,000 | characters | — |
| Other | |||
Ad Headline | 40 | characters | Recommended, max 255 |
Ad Primary Text | 125 | characters | Recommended, max 63,206 |
Event Name | 64 | characters | — |
Group Name | 75 | characters | — |
Facebook Character Limit Tips
Posts allow 63,206 characters
Facebook has one of the most generous post limits at 63,206 characters. However, posts are truncated after about 477 characters in the feed with a "See more" link, so lead with your strongest content.
Keep bios punchy at 101 characters
Facebook personal bios (the Intro section) allow only 101 characters. Focus on one clear statement about who you are or what you do rather than cramming in multiple details.
Ad primary text has a sweet spot
Facebook ad primary text can be up to 125 characters before it gets truncated on most placements. While you can write more, keeping ad copy under 125 characters ensures the full message displays.
Comments support long-form replies
Facebook comments can be up to 8,000 characters. This makes comment sections useful for detailed discussions, Q&A sessions, and community engagement.
Page descriptions need careful editing
Facebook Page descriptions are limited to 255 characters. This appears in search results and at the top of your Page, so include your key value proposition and relevant keywords.
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