How to do it
- Choose the field Post, comment, headline, or About. Each has its own limit.
- Paste your text Line breaks and spaces count, so paste it as it will appear.
- Read the count and the remaining budget The counter shows characters used and how many you have left.
- Check the visible part of a post The first 140 to 210 characters are what the feed shows. Make them count.
LinkedIn character limits in 2026
| Field | Limit |
|---|---|
| Post | 3,000 characters |
| Comment | 1,250 characters |
| Profile headline | 220 characters |
| About section | 2,600 characters |
| Visible in feed before see more | about 210 on desktop, about 140 on mobile |
Spaces, line breaks, emoji, and hashtags all count. LinkedIn raised the post limit from 1,300 to 3,000 in 2023, so older guides quoting 1,300 are out of date.
How long should a LinkedIn post be?
The limit is not a target. Most posts that read well sit well under it. A useful rule:
- Under 300 characters for a quick announcement with a link.
- 800 to 1,500 characters for a story or a lesson with a few short paragraphs.
- Near 3,000 only when every paragraph earns its place, such as a detailed teardown.
Whatever the length, the opening 140 characters do most of the work because they are all a mobile reader sees before deciding to tap.
Characters that count more than you think
Unicode bold and italic letters are stored as two UTF-16 units each, and some API-based tools count them as 2. Emoji built from several code points can count as more than 1. If you are close to 3,000, leave a margin.
Links
A link in a LinkedIn post counts at its full length and LinkedIn generates a preview card from it. If the post is long, the link card still shows below the text.
Counting agent drafts automatically
When an AI agent drafts LinkedIn posts through SocialHandoff, per-network length is a guardrail: an over-length draft is rejected before it reaches your inbox, not at publish time. A thread the agent drafts is joined into one LinkedIn post, so the joined length is what gets checked. Preview the opening with the LinkedIn post preview, compare networks with the cross-post length checker, or read the LinkedIn scheduling guide and the founder-led marketing use case.