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Convert M4A to Text

Convert M4A audio files to text with AI. Transcribe iPhone voice memos, audiobooks, and podcasts. Free online M4A transcription.

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Upload Audio or Video

拖放您的文件到这里( D), 或者 浏览浏览

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

file.mp3

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

Settings

1 credits — Sign up to track usage

Transcript

Upload an audio file and click Transcribe to get started

Transcribing audio... This may take a moment.

检测到:

如何运作

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.

使用案例

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's robust speech recognition model supporting 99 languages.

  • 99 languages
  • Translation
  • Timestamps
  • Robust to noise
OpenAI

Faster Whisper

4x比耳语速度快 具有C Translate2优化, 精确度相同。

  • 加速 4x 速度
  • 较低内存
  • 所有模型大小
  • 批次处理
  • VAD 过滤过滤
SYSTRAN

SenseVoice

语音理解模式,情感检测,50+语言。

  • 50+ languages
  • Emotion detection
  • Audio events
  • Speaker analysis
  • 丰富元元元元数据
Alibaba (FunAudioLLM)

Transcription Plans

Start free, upgrade when you need more

Free
  • 1-minute audio limit
  • Faster Whisper model
  • Basic transcription
  • 100+ languages
最受欢迎的
Free Account
  • 30-minute audio + 15 credits
  • All STT models
  • Word-level timestamps
  • SRT & VTT subtitle export
  • Speaker diarization
Sign Up Free
Pro
  • 2-hour audio files
  • Batch transcription
  • Priority processing
  • API access
  • Custom vocabulary
Upgrade

常问问题

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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