Planning Tools
Caption Length Optimiser
Check your caption length against optimal ranges for each platform. Get character counts and hashtag advice.
Frequently Asked Questions
How long should an Instagram caption be?
Optimal Instagram captions are 138–500 characters. Longer captions (up to 2,200 chars) work for storytelling and educational posts but are hidden behind "more". The first line must hook the reader.
Do longer captions hurt engagement?
Not if they provide value. On Instagram and LinkedIn, longer captions often drive more saves and shares because they offer depth. On X and TikTok, shorter is better due to platform constraints.
Should I use the same caption across platforms?
No. Each platform has different character limits, audience expectations, and formatting norms. LinkedIn is professional and longer, X is concise, and Instagram sits in between. Adapt your tone and length.
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