What audio formats are supported?

EzTranscript accepts MP3, WAV, M4A, OGG, FLAC, WebM, and most common audio formats. You can also upload video files (MP4, MOV) and the audio track will be extracted automatically.

Is online audio-to-text conversion accurate?

For clear speech recordings — interviews, podcasts, voice memos, lectures — expect 95%+ accuracy. Background noise, music, or overlapping speakers reduce accuracy. The model (Whisper large-v3-turbo) handles accents and 90+ languages well.

Is there a file size or length limit?

There's no strict length limit. Audio files up to several hours long can be processed, though longer files take proportionally more time. The free tier has a daily usage limit per IP.

Do I need to select the language?

No. The speech model detects the spoken language automatically. It works across 90+ languages without manual selection.

Can I get timestamps with my transcription?

Yes. Export as SRT or VTT for timed segments. The TXT export gives you plain text without timestamps.

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Guide2026/07/29

Audio to Text Free Online: Convert Speech to Text in Your Browser

Convert audio files to text for free — MP3, WAV, M4A, and more. No software to install, no account required. Supports 90+ languages with automatic detection.

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