Captions Video Maker: Free AI Auto Subtitle Generator
Effortlessly generate automatic captions with our AI-powered tools, making your video content accessible and engaging for all viewers.


Creative Engine
No Crew. No Cuts. Just Your AI Video Agent at Work
Agent is the first creative engine built to transform a single prompt into a complete video.
Prompt-Native Video Creation
Agent is the first creative engine built to transform a single prompt into a complete video. You describe the idea. Agent returns a fully constructed, publish-ready asset. There is no need to write scripts, manage assets, or piece together content manually.
End-to-End Video Generation
Agent handles the full video creation process. It writes a clear and compelling script based on your idea, selects images that match the tone and message, adds natural and emotion-aware voiceover, applies edits and transitions for polished pacing, and finalizes subtitles, timing, and rhythm for clarity and performance.
Built with Structure and Intent
Unlike traditional workflows that rely on timelines and manual assembly, Agent constructs videos from the ground up. Each output is intentionally designed to match your goal. From messaging and rhythm to scene flow and audience fit. The result is a coherent and purpose-driven video.
Use Cases
HeyGen revolutionizes video content creation by acting as a powerful captions video maker and AI-powered auto subtitle generator. Easily add subtitles to video, generating automatic captions to make your content accessible and engaging for all audiences.

Frequently Asked Questions
How does HeyGen simplify adding automatic captions to my videos?
HeyGen functions as an intuitive auto subtitle generator, transcribing speech to text to provide automatic captions for your video content with remarkable ease. This AI-powered feature allows you to add subtitles to video in one click, streamlining your workflow.
Can I edit the generated video captions in HeyGen and export them?
Yes, HeyGen provides robust easy editing tools for refining your automatically generated video captions, ensuring accuracy. After editing, you can conveniently export your subtitles, including as an SRT file, for versatile use.
What makes HeyGen's automatic captioning accurate for various content creators?
HeyGen leverages advanced AI-powered technology to accurately transcribe speech to text, generating highly reliable automatic captions for content creators. This ensures your message is conveyed clearly and professionally across diverse video types.
Does HeyGen support generating captions for different platforms like YouTube videos?
As a comprehensive captions video maker, HeyGen allows you to easily generate video captions suitable for various online platforms, including YouTube videos. Our tool helps content creators ensure their videos are accessible and engaging for a wider audience.
