Free Social Media Tools
Caption Length Checker
Compare caption characters with concise, standard, extended, or custom working targets.
What this tool does
Make caption length visible while the idea is still editable.
The checker counts Unicode characters against concise, standard, extended, or custom working targets.
The presets are editorial planning targets, not promises about platform maxima or truncation behavior.
Use the tool
Check caption length
Choose a working target and edit the caption while watching the remaining count.
Check a caption against a working target
Caption length
94
characters · 56 remaining
These are editable working targets, not guaranteed platform limits. Links, mentions, emoji, interface changes, and paid placements can be handled differently.
How to use it
Three quick steps
- 1Select the closest editorial target or set a custom value.
- 2Write or paste the proposed caption.
- 3Review the final copy in the current publishing interface before posting.
Worked example
Tighten a concise launch caption
Compare the draft with a 150-character working target.
FAQ
Questions about the caption length checker
Practical details about using the tool and understanding its result.
Keep working
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