Scribeify

MP3を文字起こし — 無料AI文字起こし

どんなMP3音声ファイルからも正確なテキストを取得。ポッドキャスト、インタビュー、講義、録音会議に最適。無料スタート。

MP3を文字起こし — 無料AI文字起こし を3ステップで使う

  1. 1

    Upload your MP3

    Drop or browse for an MP3 file up to 2 GB. Any bitrate from 32 kbps mono up to 320 kbps stereo is accepted.

  2. 2

    Choose language

    Pick from 99+ languages or let AI auto-detect. Enable speaker separation for multi-voice recordings.

  3. 3

    Export transcript

    Review, edit, and download as TXT, DOCX, PDF, or with timecodes as SRT/VTT. MP3 deleted within 24 hours.

MP3を文字起こし — 無料AI文字起こし を選ぶ理由

  • All MP3 bitrates

    32 kbps mono to 320 kbps stereo. CBR, VBR, ID3v1/v2 metadata all handled.

  • Speaker separation

    Labels different voices — essential for interviews, podcasts, and meetings.

  • 99+ languages

    Auto-detect or pick from every major world language.

  • Word-level timestamps

    Jump from any phrase in the transcript directly to that moment in the audio.

  • Private and secure

    Encrypted in transit and at rest. Files auto-deleted. Never used for AI training.

MP3を文字起こし — 無料AI文字起こし の利用者

  • Podcast show notes

    Generate searchable transcripts and episode summaries for every podcast.

  • Interview journalism

    Transcribe recorded interviews for quoting, fact-checking, and article writing.

  • Voice memos

    iPhone voice memos default to M4A but convert easily to MP3. Transcribe for meeting notes or idea capture.

  • Lecture recordings

    Turn recorded classes into study notes, searchable text, and accessible summaries.

世界中のクリエイターのために

世界中のクリエイター、ジャーナリスト、学生、研究者のために。

よくある質問

What MP3 qualities are supported?
Any bitrate (32-320 kbps), any sample rate (8-48 kHz), mono or stereo, CBR or VBR. ID3v1/v2 tags are ignored (content only).
How long does transcription take?
Typically 1/5 to 1/10 of audio duration. A 60-minute podcast usually finishes in 6-12 minutes on our servers.
How accurate is the AI?
85-99% for clear speech. Background music, reverb, crosstalk, and heavy accents reduce accuracy.
Is speaker separation reliable with 2-3 speakers?
Very reliable for 2-3 distinct voices. Quality drops with 4+ simultaneous speakers or frequent interruptions.
Can I get a summary after transcription?
Yes (coming soon with Pro) — one-click AI summary plus key-topic extraction from the transcript.
Is this really free?
Free tier: 5 minutes per file, 10 minutes per day anonymous; 30 minutes per month signed-in. Pro plan: 10 hours per month.

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