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Open TranscriberAbout Niconico
Niconico (NicoNico Douga) is Japan's major video sharing platform with 3M+ premium users known for user-generated anime, game and commentary content.
Scale: 3M+ premium users, 100M+ registered users in Japan
Niconico videos average 5–20 minutes for clips; live streams can run several hours.
How to Transcribe Niconico Content
- Save an audio or video file from Niconico that you made or have the rights to
- Go to the Rewind.ai Transcriber
- Upload your file (MP3, MP4, WAV, M4A and more supported)
- Our AI transcribes it automatically in the detected language
- Download your transcript as text or SRT subtitles
Features
- ✓Runs on OpenAI Whisper
- ✓Detects the spoken language automatically across 99 languages
- ✓Timestamps and SRT subtitle export
- ✓Works with every Niconico content format
- ✓No sign-up to start
- ✓We never sell your files or use them to train models
Why Transcribe Niconico Content?
- Transcribing Niconico gaming commentary and let's play content for English subtitles
- Converting Niconico anime and manga creator content into text for international fans
- Transcribing Niconico live streams and event recordings for archiving
Platform Details
| Platform | Niconico |
| Category | video |
| Scale | 3M+ premium users, 100M+ registered users in Japan |
| Common formats | MP4, FLV, SWF |
| Languages | 99 |
| AI Model | OpenAI Whisper |
| Price | Free |
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Niconico transcription 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 Niconico transcription and every other tool on Rewind.ai. A free account raises that to 5,000 tokens/day. Token packs start at $5.
Niconico transcription 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 Niconico transcription 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.
Niconico transcription lets you start on free daily tokens and pay only when you need more, with token packs from $5 or a monthly plan.
Niconico transcription 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. Niconico transcription 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.