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SynchroFree tool
·Updated June 2026
Caption Length Checker
Type or paste your caption below and instantly see if it fits within the character limit for every major platform — no signup required.
0 chars
X (Twitter)Post
0 / 280BlueskyPost
0 / 300ThreadsPost
0 / 500YouTubeTitle
0 / 100YouTubeDescription
0 / 5,000TikTokCaption
0 / 2,200InstagramCaption
0 / 2,200LinkedInPost
0 / 3,000FacebookPost
0 / 500Start typing to see your character count against each platform's limit.
Character limits by platform (2026)
The tool above applies these limits automatically.
| Platform | Field | Hard limit | Recommended |
|---|---|---|---|
| X (Twitter) | Post | 280 | 70–100 |
| Bluesky | Post | 300 | 70–150 |
| Threads | Post | 500 | 100–250 |
| YouTube | Title | 100 | 60–70 |
| YouTube | Description | 5,000 | 200–500 |
| TikTok | Caption | 2,200 | 100–300 |
| Caption | 2,200 | Under 125 (visible) | |
| Post | 3,000 | Under 210 (visible) | |
| Post | 63,206 | Under 500 |
Frequently asked questions
How many characters can I use on X (Twitter)?
280 characters per post on X (Twitter). Images, videos, and polls do not count toward the limit, but URLs are counted as 23 characters regardless of their actual length.
What is the Instagram caption character limit?
Instagram captions can be up to 2,200 characters. However, only the first 125 characters are visible before the "more" cutoff in the feed — write your most important text first.
What is the LinkedIn post character limit?
LinkedIn posts can be up to 3,000 characters. The first 210 characters are visible before the "see more" cutoff in the feed.
Does Facebook have a character limit for posts?
Facebook technically allows up to 63,206 characters in a post. In practice, posts longer than 500 characters see a significant drop in organic reach — keep posts concise for best results.
What is the TikTok caption character limit?
TikTok captions can be up to 2,200 characters as of 2026, increased from the previous 150-character limit. Hashtags count toward the character total.
Skip the manual copy-paste entirely
Synchro lets you set a custom title, caption, and schedule per platform — all from one upload. Free to start, no credit card required.
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