Write an Instagram caption around your post, audience and goal. The generator creates a strong first line, scannable body and natural CTA while keeping supplied facts intact.
Describe what the content needs to communicate, then set the audience, tone and goal. Spira returns a primary draft, up to three alternatives and practical notes shaped for this specific social format. Generation uses credits and requires sign-in.
Provide the topic, offer, source material, key points and any constraints the draft must follow.
Add the context that should shape the wording, structure and call to action for the selected platform format.
Review the strongest draft, compare genuinely different alternatives and copy the version you want to edit or publish.
Simple tools, clear results, no unnecessary steps
Open with the most useful or intriguing part before the caption is truncated in the feed.
Use spacing and structure that make the result easier to scan on a phone.
Each tool is prompted for the conventions of its format, from hook-first short scripts to skimmable LinkedIn posts.
Generate up to three distinct options instead of receiving the same draft with minor word changes.
The generator is instructed to use facts present in your brief and clearly label assumptions or recommendations.
Tell the generator what appears in the image, carousel or Reel so the caption adds context instead of repeating the obvious.
A focused prompt to comment, save, share or visit a link is clearer than stacking several competing requests.
Yes. State the post format and what the visuals contain in your brief.
You can request hashtags, but a separate hashtag generator gives more control over the mix.
Yes. Include a short, medium or exact character preference in the input.
Open the tool with a specific brief, then edit the generated result with your own examples, proof and brand voice before publishing.
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