Free tool
Facebook Post Length Checker
Paste a post and see what the feed shows before “See more” — plus the hashtag and link checks that keep a post scannable.
Counts follow Facebook's own composer: characters, words, lines — emoji counted as one character.
Characters
213
477 before the fold
Words
32
1 lines
Fully visible in feed — no truncation.
- Hashtags
- 6
- Link preview
- None
6+ hashtags reads spammy in groups — keep the ones that earn their place.
Ready to stop doing this by hand?
Done by hand: writing the post once per campaign — GroupBlaster does all three in one pass:
- writing the post once per campaign
- spinning a unique wording for every group
- sending it out paced and on schedule
Free tier: 5 campaigns, 10 posts/month. No credit card.
Post length questions, answered
The hard ceiling is 63,206 characters — but the practical limit is the fold: feed posts past roughly 477 characters collapse behind a “See more” link, and the first line before the fold decides whether anyone expands it.