Convert MOV to AAC — Free Online Converter
Convert QuickTime Movie (.mov) to Advanced Audio Coding (.aac) online for free. Fast, secure video conversion with no watermarks or registration....
2M+ файлов конвертировано
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Начните конвертировать мгновенно
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Любой браузер, любое устройство
Как конвертировать
Upload your .mov file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .aac file when it's ready.
About MOV to AAC Conversion
MOV files from iPhones, iPads, and Mac applications store audio as AAC-LC, HE-AAC, or Apple Lossless (ALAC) alongside the video track. AAC (Advanced Audio Coding) is the MPEG-4 standard audio codec and Apple's preferred audio format since iTunes launched in 2003. Converting MOV to AAC extracts just the audio layer from your QuickTime video files, discarding the video track entirely.
Why Convert MOV to AAC?
Extracting AAC from MOV is the most common way to get audio from iPhone recordings, FaceTime calls saved to disk, QuickTime screen recordings with voiceover, and Mac-based podcast recordings captured in QuickTime Player. The audio extraction produces universally compatible files playable on every smartphone, computer, and car stereo.
Since most MOV files already contain AAC-encoded audio, the extraction can often be done as a stream copy — no re-encoding required — preserving the original quality bit-for-bit.
Common Use Cases
- Extracting audio from iPhone interview recordings for podcast editing and distribution
- Pulling voiceover tracks from QuickTime screen recordings used in tutorial production
- Creating ringtones from MOV video clips by extracting the AAC audio
- Isolating music audio from concert videos recorded on iPhone for personal listening
- Extracting dialogue from FaceTime recordings saved on Mac for transcription purposes
How It Works
FFmpeg reads the MOV container's track atoms, identifies the audio track (typically track 2), and either copies the AAC bitstream directly (-c:a copy) when the source is AAC-LC/HE-AAC, or transcodes ALAC/PCM audio to AAC using the native FFmpeg encoder or libfdk_aac. The output is an ADTS-wrapped AAC file. iPhone MOV files since iOS 7 use AAC-LC at 44.1 kHz stereo, making stream copy the default path.
Quality & Performance
When the MOV already contains AAC audio (the common case for iPhone recordings), extraction is bit-perfect — zero quality loss. If the source uses ALAC or PCM, transcoding to AAC at 256 kbps produces near-transparent quality. For voice recordings, even 128 kbps AAC is indistinguishable from the original.
Device Compatibility
| Device | MOV | AAC |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Native | Native |
| iPhone/iPad | Native | Native |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Check the source audio codec first — if the MOV already has AAC, stream copy mode avoids any quality loss
- 2Use 256 kbps for music extraction and 128 kbps for voice/speech to optimize file size without audible degradation
- 3Extract in mono for single-speaker recordings like interviews or voiceovers to halve the file size
- 4If you need to edit the audio extensively, extract to AIFF or WAV first, edit, then compress to AAC as the final step
- 5Batch extract audio from multiple MOV files at once when processing an entire event's worth of iPhone recordings
Related Conversions
MOV to AAC extraction is fast, often lossless, and produces the most universally compatible audio format from Apple's native video container.