テキストを音声に変換 エージェント 音楽 音声からテキストへ 音声クローン ボイスデザイン マーケットプレイス モア

Convert FLAC to Text

Convert FLAC audio files to text with AI. Lossless audio transcription with 99 language support. Free online FLAC to text converter.

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Upload Audio or Video

ファイルをここにドラッグ＆ドロップするか、 ブラウズ

Supports MP3, WAV, FLAC, OGG, M4A, MP4, WebM. Max 100MB.

file.mp3

0 MB
— or record from your microphone —
00:00

Settings

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Transcript

Upload an audio file and click Transcribe to get started

Transcribing audio... This may take a moment.

検出:

ホー・イット・ワーク

1. Upload Audio

Upload your audio or video file. We support MP3, WAV, FLAC, OGG, M4A, MP4, and WebM formats up to 100MB.

2. AI Transcribes

Our AI models process your audio, detecting language, identifying speakers, and generating accurate text with timestamps.

3. Get Your Transcript

Copy your transcript or download it as TXT or SRT subtitle format. Edit and refine as needed.

ユースケース

Audio transcription for every industry and workflow

Meetings & Conferences

Automatically transcribe Zoom, Teams, and Google Meet recordings. Never miss an action item again. Export as meeting notes or subtitles.

Interviews & Journalism

Transcribe interviews for articles, research papers, and documentaries. Speaker diarization identifies who said what for easy attribution.

Podcasts & Media

Generate transcripts and show notes for podcast episodes. Create searchable archives of your audio content. Add subtitles to video podcasts.

Lectures & Education

Convert recorded lectures into study notes. Make educational content accessible with accurate captions. Support students with hearing impairments.

YouTube & Social Media

Generate subtitles and closed captions for YouTube videos, TikToks, and social media content. Improve accessibility and SEO with accurate transcripts.

Legal & Medical

Transcribe depositions, hearings, consultations, and dictation. Accurate timestamps for reference. Export in formats suitable for documentation.

Transcription Models

Whisper

ＯｐｅｎＡＩのロバスト音声認識モデルは９９の言語をサポートしている。

  • 99の言語
  • 翻訳
  • タイムスタンプ
  • ノイズに強い
OpenAI

Faster Whisper

Whisperより4倍速く、CTranslate2最適化、同じ精度。

  • 4倍速く
  • 下記メモリ
  • 全てのモデルサイズ
  • バッチ処理
  • VADフィルタリング
SYSTRAN

SenseVoice

５０以上の言語の感情検出を含む音声理解モデルを開発した。

  • 50以上の言語
  • 感情検出
  • オーディオイベント
  • スピーカー分析
  • リッチメタデータ
Alibaba (FunAudioLLM)

Transcription Plans

無料で始め、必要に応じてアップグレード

Free
  • 1-minute audio limit
  • Faster Whisper model
  • Basic transcription
  • 100+ languages
最も人気のある
Free Account
  • 30-minute audio + 15 credits
  • All STT models
  • Word-level timestamps
  • SRT & VTT subtitle export
  • Speaker diarization
無料登録
Pro
  • 2-hour audio files
  • Batch transcription
  • Priority processing
  • API access
  • Custom vocabulary
アップグレード

よくある質問

Upload your audio or video file (MP3, WAV, M4A, OGG, FLAC, or video formats) and click Transcribe. Our AI processes the audio and returns accurate text in seconds. No software download required — everything runs in your browser.

We support all common audio formats including MP3, WAV, M4A, OGG, FLAC, WEBM, and most video formats (MP4, AVI, MKV, MOV). Maximum file size is 50MB. The tool automatically extracts audio from video files.

Our AI transcription achieves 95%+ accuracy on clear speech. We use Faster Whisper (4x faster than original Whisper) and SenseVoice for best results. Accuracy depends on audio quality, background noise, and language.

Yes, our transcription tool supports 99 languages. Faster Whisper automatically detects the spoken language, or you can specify it manually for better accuracy. Popular languages include English, Spanish, French, German, Japanese, Chinese, and Arabic.

Free users can transcribe up to 5 minutes of audio. Paid plans support files up to 2 hours. For longer recordings, use our API with batch processing to transcribe hours of audio efficiently.

Yes, all transcriptions include segment-level timestamps by default. Word-level timestamps are also available, showing the exact start and end time for each word — perfect for subtitles and captions.

Yes, transcription output includes timestamps that can be exported as SRT, VTT, or ASS subtitle files. This is ideal for adding captions to YouTube videos, online courses, podcasts, and social media content.

Yes, our advanced transcription modes support speaker diarization — automatically identifying and labeling different speakers in the audio. This is useful for meeting transcripts, interviews, and multi-person conversations.

You can download the audio from a YouTube video and upload it for transcription. Our tool handles any standard audio or video format. For bulk YouTube transcription, use our API for automated workflows.

Yes, uploaded audio is processed on our secure GPU servers and automatically deleted after transcription. We never store, share, or use your audio for training. All transfers are encrypted via HTTPS.

Faster Whisper processes audio at 4x real-time speed — a 10-minute recording transcribes in about 2.5 minutes. Short clips (under 1 minute) typically complete in seconds.

Transcription is free for audio up to 5 minutes. Paid plans use credits based on audio duration: approximately 1 credit per minute. Credit packs start at $5 for 100 credits. Check our pricing page for full plan details.
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Transcribe Audio with AI

Get accurate transcriptions in 99 languages. Sign up free and get 15 credits to start.

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