Hook analyzer
Score the first line of a video.
Caption length checker
See if a caption fits TikTok, Instagram Reels, YouTube Shorts. Counted the way the platforms count.
Check a caption
Spaces or commas. The hash is added for you, and a repeat is counted once: #ecommerce #checkout #founders
TikTok
141/2,200
Fits, caption and hashtags together.
Instagram Reels
141/2,200
Fits, caption and hashtags together.
YouTube Shorts
141/5,000
Fits, caption and hashtags together.
This caption clears every destination, so it can be posted everywhere as written.
- UTF-16 units
- 141
- Code points
- 141
- Characters
- 141
All three agree, which is what happens when a caption is plain text. Add one emoji and the top row moves on its own.
Safe everywhere: 2,200 units and 15 hashtags. Nothing leaves this tab.
How to use it
Paste the caption
Exactly as you will post it, with line breaks and emoji.
Add the hashtags
Tags count against the length limit and against the tag cap.
Read each platform row
Clear the tightest row and the caption fits everywhere.
Questions
Why is my count higher than in other counters?
The platforms count UTF-16 code units, not characters. An emoji is two units, a flag is four.
Do hashtags count against the length?
Yes. The platform gets one body: caption, a blank line, then the tags.
Is my caption stored?
No. The check runs in your browser. Nothing is sent.
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