Add AI Captions to Your Videos Fast

Generate a complete captioned video with AI scripts, lifelike avatars, and custom voices.

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No credit card required

Rated 4.8/5 on G2

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Supporting today's top brands

An AI caption generator for video that speaks your audience's language

AI Avatar Builder

An Avatar To Voice Captions

Add a face to your AI-generated captions to hold viewer attention and make your message stick. Choose an avatar to speak the text on screen.

Pick from 800+ diverse, ready-to-use avatars.
Generate a new AI avatar; describe its look, age, and outfit, or upload footage to create a personal digital twin.

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Script Stack

Scripts For Your Avatar

Generate the words your AI avatar will speak. This creates the foundation for your video captions. Get scripts with hooks and benefit-driven copy based on successful social media ads. You receive text that captivates your audience and converts. Every word is completely editable for total control.

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Voiceover Library

Add Voice To Your Captions

Narrate your video captions with a voice that fits your message. Choose from 140+ lifelike voices and localize content in over 30 languages.

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All-in-one Performance Suite

A/B Test Your AI Captions

Use the unified A/B Test Dashboard to determine which AI-generated captions get the most engagement. Compare different hooks and scripts side-by-side to see what resonates with your audience. This gives you concrete data on your creative choices.

Get unlimited variations to test every idea. The dashboard highlights your top-performers, so you know exactly which caption styles and messages to use for future videos to maximize your results.

SEE HOW ADMAX WORKS

Create AI-captioned videos on Creatify

Paste Your Link

Paste your product URL. Creatify pulls the information it needs to construct a video storyboard, which sets the stage for the AI to write your captions.

Create Your Avatar

Choose a preset avatar or create a new one. The avatar automatically lip-syncs to any voice you select for your video, which the AI then uses to generate captions.

Finalize Script and Audio

Approve the script the AI wrote for your video, or adjust the text yourself. Next, select a voice and a background track from the library to create the audio the AI will use for caption generation.

Learn and Optimize

Preview the AI captions on your video for free and iterate as much as you need. Once ready, export the video in a 9:16, 1:1, or 16:9 format to use on TikTok, Instagram, and YouTube, or download the file.

Real Results

*Sources: Meta, Wistia, HubSpot, Creatify benchmarks

2.7x: More leads vs. static image ads
1.7x: Higher ROI*
90%: Lower production cost

How Creatify helps real teams

3.0

Creative score

40%+

Hook rate

45%

CPA Reduction

73%

ROAS Improvement

669%

Adoption growth

200k+

Ads generated

ROI

97%

time saved

300+

videos/month

$20k

saved

47.6%

CTR increase

$10k

saved per video

$3k

Saved per video

50x

production increase

1000+

creatives/month

40%

subscription uptake

300+

production/quarter

1 editor

instead of a creative team

Frequently asked questions

The free plan provides 10 credits each month. You can use them to produce two ads, access the script writer, and use unlimited free stock footage, though downloads will have a watermark. Caption generation consumes 5 credits for every 30 seconds of video. Unused credits are valid for two months. With an annual plan, you receive all credits for the year upfront.

Yes, you have control over the appearance of your captions. After the AI generates the text, you can adjust the font, size, color, and on-screen position to match your video's aesthetic or brand guidelines.

Yes, the tool processes and generates captions in numerous languages. This allows you to make your video content accessible to a wider, international audience without manual translation and transcription work.

Yes, through our API. The creation of marketing videos for a high volume of products can consume significant time and resources. Our URL-to-Video API transforms any web page into a customized video ad, complete with captions. To use the Creatify Video API, you need an active account and must complete the authentication process described in our API documentation. You send a POST request with your API ID and Key, and the API returns a link ID to produce the video.

Yes. You can first produce a video with our AI Avatar API, which generates lifelike actor videos from text or audio. After you have the video, you can use the AI caption generator to add subtitles. This combination is effective for explainer videos and product demonstrations where clear communication is key.

Create AI captions that amplify your video's impact

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Add AI Captions to Your Videos Fast

An AI caption generator for video that speaks your audience's language

An Avatar To Voice Captions

Scripts For Your Avatar

Add Voice To Your Captions

A/B Test Your AI Captions

Create AI-captioned videos on Creatify

Paste Your Link

Create Your Avatar

Finalize Script and Audio

Learn and Optimize

Real Results

How Creatify helps real teams

Frequently asked questions

How do credits work with the AI caption generator?

Can I customize the style of the generated captions?

Does the AI caption generator support multiple languages?

Is it possible to automate the addition of captions to videos?

Can I add captions to videos made with the AI Avatar feature?

Create AI captions that amplify your video's impact