300 characters per post. Spaces and line breaks count too.
Free tool by Mydrop, no signup
Free Bluesky character counter
Bluesky gives you 300 characters per post.
Hashtags 0Mentions 0Emojis 0Words 0Lines 0
Bluesky counts every letter, space, emoji and line break as 1.
Ready to publish this?
Schedule it on Bluesky and 9 more networks with Mydrop, the social media OS for agencies and multi-brand teams. Same counter, built into the editor.
Your text stays in your browser. Nothing is sent or saved. Photos and videos you add stay on your device too: nothing is uploaded.
How Bluesky counts
300 characters per post
Bluesky caps a post at 300 characters, close to X's 280.
Combined emojis count as 1
Bluesky counts a family or skin-tone emoji as 1. This counter counts it as several, so a post that's too long never slips through.
Longer? Reply to yourself
Bluesky threads are replies to your own post, so split long ideas into a chain.
Example: “Just moved our brand to Bluesky 🦋 What should we post first?” = 60 characters on Bluesky
Limits checked on October 10, 2026, against each network's rules and the limits Mydrop's editor enforces.
Mydrop data
How long should a caption be? Past 80 characters, it barely matters.
We measured 4,848 posts on 336 accounts connected to Mydrop, over 180 days to September 2026. Each post is scored against its own account's median, so a global brand and a local shop compare fairly.
- Captions under 80 characters earned 9% less engagement than the account's typical post.
- Captions of 80 to 150 characters did best, 3% above.
- From 150 to 600+ characters, length moved engagement by 1% or less.
Reference
Every character limit in one table
The limits Mydrop checks before it publishes a post, network by network.
| Network | Character limit | Seen before "more" | Hashtags | How it counts |
|---|---|---|---|---|
| 2,200 | About 125 | 5 per post | 1 per character | |
| TikTok | 2,200 via the API (4,000 typed in the app) | Varies | Inside the limit | Emoji = 2 |
| 3,000 | About 210 (140 on phones) | Inside the limit | 1 per character | |
| X | 280 (longer with Premium) | Full post shown | Inside the limit | Emoji = 2, link = 23 |
| 63,206 (Reels: 2,200) | Varies | Inside the limit | 1 per character | |
| Threads | 500 | Full post shown | 1 topic tag | 1 per character |
| Bluesky | 300 | Full post shown | Inside the limit | 1 per character |
| YouTube | 5,000 (description; title 100) | First lines | First 3 show above the title | 1 per character |
| 800 via the API (500 in Pinterest's editor) | Varies | Inside the limit | 1 per character | |
| Google Business Profile | 1,500 | Varies | Not used | 1 per character |
Where the "more" cut lands depends on the screen and the line breaks, so treat those figures as a guide. The character limits are hard limits: the network refuses anything longer.
Write it, check it, post it
This counter is built into Mydrop
In Mydrop's editor every caption is counted per network as you type. When one network owns the limit, the editor names it and gives that network its own version in one click.
Free plan, then $19 a month flat. Never per seat.
Questions
Character limits, answered
Bluesky counts a combined emoji (skin tones, families) as 1. This counter counts it as several, so a post that's too long never slips through.
Split it into a thread or trim it. Mydrop's editor flags the limit and lets you give Bluesky its own shorter version.
Yes. No signup, no limit, and your text never leaves your browser.
More free counters
Check it here. Schedule it in Mydrop.
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