Supported Formats

TranscribeAI supports all major audio and video formats. Upload your files in any of these formats and get an accurate transcript.

Audio Formats

MP3

The most popular audio format worldwide. MP3 files offer excellent compression while maintaining good quality, making them ideal for podcasts, music, and voice recordings.

Best for:PodcastsMusicVoice recordingsAudiobooks
WAV

Uncompressed audio format offering the highest quality. WAV files are commonly used in professional audio production and provide crystal-clear transcription results.

Best for:Professional recordingsInterviewsStudio productionsHigh-quality audio
M4A

Apple's audio format used in iTunes and iOS devices. M4A provides good compression with high quality, making it popular for Apple ecosystem users.

Best for:Apple device recordingsiTunes audioVoice memosiOS recordings
FLAC

Lossless audio compression format that preserves original quality while reducing file size. Perfect for high-fidelity audio transcription needs.

Best for:Lossless audioArchival recordingsHigh-quality musicProfessional audio
OGG/OGA

Open-source audio format (usually Opus or Vorbis codec). OGG offers good quality with efficient compression, commonly used in web applications.

Best for:Web applicationsGaming audioOpen-source projectsStreaming
AAC

Advanced Audio Coding format that offers better sound quality than MP3 at similar bitrates. Widely used in streaming services and modern devices.

Best for:Streaming servicesYouTube audioModern smartphonesDigital broadcasting
WMA

Windows Media Audio format developed by Microsoft. Common in Windows ecosystems and older media players.

Best for:Windows recordingsLegacy mediaWindows Media PlayerOlder devices
Opus

Modern, versatile audio codec designed for interactive speech and audio transmission. Excellent for voice recordings and VoIP applications.

Best for:VoIP callsVoice chatWeb conferencingReal-time communication

Video Formats

For video files, TranscribeAI automatically extracts the audio track and transcribes it. No need to convert your videos — just upload them directly.

MP4

The most widely used video format. MP4 files are compatible with virtually all devices and platforms. Audio is automatically extracted for transcription.

Best for:YouTube videosSocial mediaScreen recordingsGeneral video content
MOV

Apple's video format used in QuickTime and iOS devices. Commonly used in video editing and production workflows.

Best for:iPhone videosQuickTime recordingsVideo editing projectsApple ecosystem
WebM

Open-source video format optimized for the web. Commonly used in HTML5 video streaming and web applications.

Best for:Web videosHTML5 streamingBrowser recordingsOnline content
MKV

Matroska video format that can contain multiple audio and subtitle tracks. Popular for high-quality video storage.

Best for:HD contentMulti-track videoMedia collectionsHigh-quality archives
AVI

Audio Video Interleave format developed by Microsoft. One of the oldest video formats, still widely used and supported.

Best for:Legacy video filesWindows mediaOlder recordingsArchived content

Technical Specifications

Maximum File Size

Upload files up to 200MB. For long recordings, compressed formats like MP3 or M4A keep files small.

Audio Extraction

For video files, audio is automatically extracted — no manual conversion needed.

Quality Requirements

All formats are supported regardless of bitrate or sample rate. Clear audio produces better results.

Processing Time

Most files are done within minutes, usually much faster than real-time playback.

Ready to Transcribe Your Files?

All common formats supported — upload and start transcribing