SPARK library
hapai · marketing
Caption composer.
Draft LinkedIn, Instagram, X, and Facebook captions tuned to each platform's rhythm.
share
copy the link, email it, or embed it
draft
create the draft, then review before publishing
platform fit
each variant follows the platform's length and hashtag habits
Platform
Tone
Length
Hashtag count
Draft only · check claims before posting
Variants
waiting for source content
Paste what you are posting about, pick the platform and tone, and up to five caption drafts land here with character and hashtag counts.