VideoCaptionGenerator

Auto caption generator powered by AI.

Upload a video and our AI auto caption generator listens to every word, writes the captions, and times them to the frame. Pick a style, fix any word, and export a captioned video in minutes. No editing skills, plugins or downloads needed.

Try it free on your videoSee pricing
  • No sign-up to try
  • 100+ languages
  • SRT and VTT export
Auto caption generator adding captions to a creator video

How it works

  1. Step 1

    Upload your video

    Drop in an MP4, MOV, M4V or WebM.

  2. Step 2

    AI auto captions it

    Speech recognition transcribes your video and times each word automatically, usually in under a minute.

  3. Step 3

    Style and export

    Choose a template, adjust fonts and colors, then download a captioned video or SRT and VTT files.

Why creators use our auto caption app

Word-level timing

Every word is timed individually, so animated, highlighted captions stay perfectly in sync with your voice.

Works in your browser

An auto caption app that runs on desktop and mobile without installing anything.

100+ languages

Auto-detect the spoken language or choose it yourself for even better accuracy.

Viral caption styles

Eight pro templates inspired by top creators, each fully customizable.

What is an auto caption generator?

An auto caption generator uses AI speech recognition to turn the words spoken in a video into on-screen text automatically. Instead of typing captions by hand and dragging each line into place, the AI writes the captions and syncs them to the audio for you.

Auto captions matter because most people watch short-form video with the sound off. Captioned videos keep viewers watching longer, make your content accessible to deaf and hard-of-hearing viewers, and help platforms understand what your video is about.

Video Caption Generator is built for TikTok, Instagram Reels, YouTube Shorts, LinkedIn and more. You get accurate AI auto captions, a simple timeline to fix any word, and styles that look like a professional editor made them.

Whether you need an auto caption for video ads, tutorials, podcasts or vlogs, our auto caption AI handles it in seconds, in more than 100 languages.

FAQ

Auto caption generator questions

How does AI auto caption work?

The AI listens to the audio in your video, converts speech to text, and records exactly when each word is spoken. Video Caption Generator then groups those words into short, readable caption lines and places them on your video.

Is the auto caption generator accurate?

Yes. It uses state-of-the-art speech recognition with word-level timing, and it handles fast talkers and background music well. You can correct any word in a couple of clicks.

Can I auto caption a video for free?

You can auto caption a video up to 60 seconds for free, with no sign-up. Create a free account to keep captioning and editing, and choose a plan from $12 a month when you are ready to export.

Is there an auto caption app for my phone?

Video Caption Generator works in the browser on iPhone, Android, tablets and computers, so there is nothing to download from an app store.

Which platforms are the captions made for?

Captions are designed for vertical, square and horizontal video, including TikTok, Instagram Reels, YouTube Shorts, Facebook, LinkedIn, Snapchat and X.

Explore more

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Your next video deserves captions this good.

Try the editor before you pay. Subscribe only when you are ready to export.

Try it free