AI Caption Generator
Upload a video and receive a timestamped transcript you can download as SRT, VTT or plain text. Powered by Whisper. To burn captions into the video pixels, use the Subtitler instead.
Whisper speech-to-text with ffmpeg audio extraction, outputs SRT, VTT and plain text.
How to Use AI Caption Generator
1
Open AI Caption Generator
Open AI Caption Generator on Rewind.ai. Sign in to start.
2
Add your input
Enter your text or upload a file, then set any options AI Caption Generator offers.
3
Get the result
AI Caption Generator processes your request and returns the result. Download it, copy it, or share the link.
Use this tool via API
Call this tool straight from your own scripts. The endpoint follows the OpenAI REST format and signs requests with a bearer token, so client libraries you already use keep working. You are billed the same token rate as the web app.
curl -X POST https://api.rewind.ai/v1/video/caption \
-H "Authorization: Bearer sk-rewind-..." \
-F [email protected] \
-F language=enRelated Free AI Tools
AI Caption Generator FAQ
AI Caption Generator on Rewind.ai is an AI video tool you use in the browser.
With an account. Anonymous visitors can't use AI Caption Generator. Some video tools run on a free account's daily tokens; others need a paid balance. Token packs start at $5.
AI Caption Generator sends your request to an AI model and shows the result on the page. Some models run on our own GPUs, others through their providers.
Yes. Video tools need an account, so sign in before you start.
Anonymous users get 2,500 tokens/day. Free accounts get 5,000 tokens/day. Tokens reset every 24 hours. Each generation costs ~100-5,000 tokens depending on the operation.
We don't sell your data or use it to train models, and we delete it on request.
In most cases, yes. What you generate is yours to use, and commercial use follows our Terms and the license of the model that made it. Don't use other people's likeness or copyrighted material without permission.
AI Caption Generator lets you start on free daily tokens and pay only when you need more, with token packs from $5 or a monthly plan.
AI Caption Generator uses the model shown in its model picker, or Rewind's default model for the task when the page has no picker. We update to newer models as they ship.
Yes. AI Caption Generator works in any mobile browser, and the layout adapts to your screen size.
Sign up for a free account to get 5,000 tokens/day, double the anonymous limit. Or buy token packs starting at $5 for 200,000 tokens. See /pricing/ for all options.
Yes. After you generate content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.