AI Speech to Text
Automatically transcribe speech from audio and video into text with multi-language support, speaker diarization and timestamps
What is an AI Speech to Text Tool?
An online speech recognition tool. Input: audio files like MP3, WAV, M4A or MP4 video files. Output: timestamped transcript with SRT subtitle export and speaker diarization. Ideal for meeting notes, interview transcription, and video subtitles.
Upload Interface
Interactive transcriber will be available soon
Features
- ✓ Supports MP3, WAV, M4A, FLAC audio and MP4 video
- ✓ Automatic recognition of 50+ languages including Chinese, English, Japanese, Korean
- ✓ Automatic timestamps with one-click SRT/VTT subtitle export
- ✓ Speaker diarization with automatic segment labeling for multi-person conversations
- ✓ Smart punctuation with automatic filler word removal
How to Use
- Upload an audio or video file
- Select the recognition language, or enable auto-detection
- Click transcribe and let the AI generate the transcript
- Review and edit, then export as TXT, SRT or VTT
FAQ
What is an AI Speech to Text tool?
An online speech recognition tool. Input: MP3, WAV, M4A audio or video files. Output: timestamped transcripts with SRT subtitle export and speaker diarization. Processing happens in the cloud with multi-language support.
Which audio and video formats are supported?
Audio: MP3, WAV, M4A, FLAC, AAC, OGG. Video: MP4, MOV, MKV, WebM. Files up to 500MB and 3 hours long are recommended.
How accurate is the transcription?
Accuracy reaches over 95% with clear recordings in standard Mandarin and English. Background noise, dialects and heavy accents can reduce accuracy, so high signal-to-noise recordings are recommended.
Which languages are supported?
Over 50 languages including Chinese, English, Japanese, Korean, French, German, Spanish and Russian, with auto-detection. Chinese supports Mandarin and Cantonese; English supports US and UK accents.
Does it support speaker diarization?
Yes. The AI automatically identifies different speakers and labels segments (Speaker 1, Speaker 2...), ideal for meeting notes and interview transcription.
Can I export subtitle files?
Yes. Export timestamped SRT and VTT subtitle files that work with CapCut, Premiere, YouTube and other editing tools.
Are my audio files uploaded to a server?
Yes. Audio is sent to a speech recognition model for processing. Files are encrypted, stored for 24 hours, then automatically deleted. They are never used for model training.