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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
- Download or save your Niconico audio/video file
- 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 faster-whisper (MIT licensed)
- ✓Detects the spoken language automatically across 99 languages
- ✓Timestamps and SRT subtitle export
- ✓Works with every Niconico content format
- ✓No sign-up to start
- ✓Your files are deleted after processing
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 | faster-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. You can buy more starting at $1.
Niconico transcription runs open-source AI models on our GPU servers. Send your request and the result comes back in seconds.
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.
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Your data is processed on our servers and isn't stored permanently unless you choose to save it. We don't sell or share it.
Yes. Content from Niconico transcription is yours to use for personal or commercial work. The AI models we run are commercially licensed.
Niconico transcription matches the quality of paid services because it runs the latest open-source AI models. The difference is you don't pay per use.
Niconico transcription runs open-source AI models including Qwen 2.5, FLUX and Whisper. 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.