Caption Converter SRT/VTT
Model:
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Paste or upload a caption file, pick your target format, and download the result. No account needed.
How to Use Caption Converter SRT/VTT
1
Add your file
Upload audio or video. Nothing to install, no account to start.
2
Run it
Whisper transcribes it in seconds. Choose plain text or timestamps.
3
Export
Copy the transcript or save it as a text or SRT file.
Use this tool via API
Wire this tool into your own code through our REST API. It mirrors the OpenAI request format and authenticates with a bearer token, so existing SDKs need no changes. Per-token pricing is identical to the web app.
curl -X POST https://api.rewind.ai/v1/chat/completions/ \
-H "Authorization: Bearer sk-rewind-..." \
-H "Content-Type: application/json" \
-d '{
"model": "google/gemma-4-26b-a4b-it",
"messages": [
{"role": "system", "content": "You convert subtitle / caption files between formats. Convert the user'\''s SRT input into VTT. Preserve every cue'\''s text and timing exactly. Output ONLY the converted file content, no preamble, no markdown fence."},
{"role": "user", "content": "1\n00:00:01,000 --> 00:00:04,000\nHello world\n"}
]
}'Caption Converter SRT/VTT FAQ
Caption Converter SRT/VTT on Rewind.ai is a free AI tool. There's no charge and no sign up needed to start.
Yes. You get 2,500 free tokens per day to use Caption Converter SRT/VTT and every other tool on Rewind.ai. A free account raises that to 5,000 tokens/day. Token packs start at $5.
Caption Converter SRT/VTT 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.
No. You can use Caption Converter SRT/VTT right away without signing up. A free account doubles your daily usage to 5,000 tokens and saves your history.
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.
Caption Converter SRT/VTT lets you start on free daily tokens and pay only when you need more, with token packs from $5 or a monthly plan.
Caption Converter SRT/VTT 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. Caption Converter SRT/VTT 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.