IG Captions

Instagram caption generator powered by AICaptions, hooks, and hashtags in seconds.

Never stare at a blank caption box again. oVideo's AI generates scroll-stopping Instagram captions, hooks, and hashtags for your posts, Reels, and Stories in seconds — and can turn the same idea into a ready-to-post video.

Caption ideas + hooksRelevant hashtagsTurn the idea into video

Made with oVideo

Real videos generated on this platform

No mock-ups. Every clip below was produced end-to-end with oVideo — script to voiceover, footage, and captions. Press play to see the actual output.

Chasing Dreams: A Runner's Grit

If Putin Pressed the Red Button: One Minute to Midnight

Faceless Journey: The Evolution of Humanity

Captions that stop the scroll

Generate punchy captions and strong opening hooks tailored to your post, tone, and audience.

Smart hashtag suggestions

Get relevant hashtag sets to extend reach without the manual research.

From caption to video

Like the angle? Turn the same idea into a ready-to-post Reel with oVideo's video generator.

How the caption generator works

Four steps to a finished caption.

publish faster
  1. 1

    Describe your post or paste your topic.

  2. 2

    AI generates caption options, hooks, and hashtags.

  3. 3

    Pick and tweak your favorite.

  4. 4

    Optionally generate a matching Reel to go with it.

Generate captions for

Where AI captions help most.

Feed posts and carousels
Reels and Stories
Product and promo posts
Daily content at volume
Finding a strong hook fast
Consistent on-brand voice

Related guides

Frequently asked questions

Does it suggest hashtags?
Yes — you get relevant hashtag sets alongside caption ideas to help extend your reach.
Can I match my brand voice?
Yes — describe your tone and audience and the captions adapt to fit your brand.
Can I turn a caption into a video?
Yes — oVideo can generate a matching Reel from the same idea, so your caption and video ship together.
Is it just for Instagram?
It's tuned for Instagram, but the captions work across TikTok, Facebook, and other social platforms too.
Does it write for Reels, carousels, and feed posts?
Yes — tell oVideo the format and it tailors caption length and hook style for Reels, carousels, or single feed posts.
Can it suggest hashtags for my niche?
Yes — you get relevant, niche-aware hashtag sets to support reach without stuffing your caption.
Is it free?
You can start free — generate Instagram captions and hashtags at no cost. Paid plans add more generations and can turn a caption into a Reel.