Free AI tool · Updated August 2026 · No signup

Image Caption Generator

Describe the photo in a sentence (who, what, where, mood) choose where it is going and a tone, and you get five captions. Describing the image yourself takes ten seconds and avoids uploading anything; it also gets better captions, because you know what the photo is actually about.

Free AI tool · no signup · 10 generations a day per person

Results come from Claude, tuned per platform. Edit them: the best version is the one that sounds like you. We do not store what you type.

Describing a photo for a good caption

  • Say what is happening, not just what is in it: "our baker scoring the first loaf of the day" beats "bread".
  • Add the context the photo cannot show: the occasion, the milestone, the joke.
  • Mention the mood if it matters: calm, chaotic, celebratory.

For accessibility text rather than a caption, use the alt text generator.

Frequently asked questions

Do I upload the photo?

No. You describe it; nothing is uploaded.

Can it write captions for a carousel?

Yes (describe the set of images and say it is a carousel.

Is it free?

Yes) ten generations a day with no account.

Write it here, publish it everywhere

Social by InstantDM schedules to Instagram, Facebook, X, LinkedIn, TikTok, Pinterest, Threads and YouTube from one calendar, with AI captions, previews and an API. Start free — $0 today, cancel anytime.

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