Extract Audio from Video
Extract audio tracks from MP4, WebM, MOV, MKV and other video files. Keep the original audio quality or convert the selected track to MP3, M4A, WAV or FLAC.
Drop a video file here
MP4 · WebM · MOV · MKV · AVI · MPEG · M4V
Your video is processed in this browser and is not uploaded to a FlowPick server.
How to extract audio online
How to extract audio from a video
The video stays on your device. FlowPick reads its media tracks, lets you choose the audio you need, and creates the output locally.
Choose a video file
Select an MP4, WebM, MOV, MKV, AVI, MPEG or M4V file stored on your device.
Select an audio track
If the video contains more than one audio track, choose the language or track you want to save.
Choose an output format
Keep Original audio for fast extraction without re-encoding, or convert the track to MP3, M4A, WAV or FLAC.
Extract and download
Process the selected track in your browser, then save the completed audio file to your device.
Extract instead of converting
Extract audio without losing quality
A video file is a container that can hold separate video and audio tracks. For example, an MP4 may contain H.264 video and AAC audio. If you only need the sound, FlowPick can copy the AAC packets into an M4A audio container without decoding and encoding them again. This is usually faster and avoids another generation of lossy compression.
Choose MP3, M4A, WAV or FLAC only when the destination requires that format. Conversion is useful for compatibility or editing, but it cannot restore detail that was already removed from a compressed source.
MP4
Video track · H.264
Audio track · AAC
M4A · AAC
Extracted without re-encoding
Choose the best audio format
The right output depends on where the audio will be played, edited or stored. Original audio is the safest starting point when no specific format is required.
| Format | Best for | Re-encoding |
|---|---|---|
| Original | Fast extraction while keeping the source codec | No |
| MP3 | Maximum compatibility, sharing and uploads | Yes |
| M4A (AAC) | Efficient playback and Apple-oriented workflows | Yes, unless the original AAC track is kept |
| WAV | Editing and uncompressed PCM workflows | Yes |
| FLAC | Lossless storage after decoding | Yes |
Not sure which format to choose? Keep Original audio for the fastest extraction with no unnecessary quality loss.
Supported video and audio formats
FlowPick reads common media containers through your browser. Actual support depends on the structure and codecs inside each file, not only its extension.
Input video formats
Extract audio tracks from common video containers including MP4, WebM, MOV and MKV.
MP4 · WebM · MOV · MKV · AVI · MPEG · M4V
Output audio formats
Keep a compatible source track or create a new file in one of the available audio formats.
Original · MP3 · M4A / AAC · WAV · FLAC
Some uncommon codecs, damaged files and unusual container combinations may not be readable. Converted output also depends on the decoding and encoding capabilities available in this browser.
MP4
Extract audio from MP4
MP4 describes the container, not one fixed audio format. Many MP4 videos contain H.264 or H.265 video with an AAC audio track. FlowPick inspects the tracks inside the file. When AAC can be preserved, Original audio places it in an M4A container without another lossy encode. If you need wider compatibility, choose MP3 instead.
WebM
Extract audio from WebM
WebM files commonly pair VP8, VP9 or AV1 video with Opus or Vorbis audio. Original audio can copy a compatible Opus or Vorbis track into an OGG container. Choose MP3 when the destination does not support those codecs.
Need to keep the video? Convert WebM to MP4Extract a specific audio track
MOV and MKV files, and some MP4 videos, may contain commentary, alternate languages or different channel layouts. FlowPick lists the audio tracks detected in the container with codec, language, channel count, sample rate and bitrate details so you can choose the right one before extraction.
The first release extracts one selected track at a time. This keeps the filename and output settings clear while still supporting videos that contain several audio tracks.
English
AAC · 5.1 channels · 48 kHz
Japanese
AAC · Stereo · 48 kHz
Commentary
AAC · Stereo · 128 kbps
Private, browser-based audio extraction
FlowPick reads and processes the selected video locally on your device. The video does not need to be uploaded to a remote conversion server. Processing speed and maximum practical file size therefore depend on this device's browser, CPU and available memory.
Your video → Your browser → Extracted audio → Your device
More audio and media tools
Audio Trimmer
Trim MP3, WAV, M4A, FLAC and OGG audio online. Keep a selected clip or remove an unwanted section with precise timestamps and local browser processing.
Audio Converter
Convert audio to MP3, M4A, WAV, FLAC or OGG in your browser.
Audio Volume Booster
Increase volume, protect peaks and export a louder local copy.
Media Information Analyzer
Inspect video, audio tracks, codecs, bitrate and media metadata.
WebM to MP4 Converter
Convert a WebM video to a more widely compatible MP4 file.
Audio Extractor FAQ
How do I extract audio from a video?
Choose a video file, select the audio track you want, keep Original audio or choose a conversion format, then start extraction. The result is created locally in your browser and can be downloaded when processing finishes.
Can I extract audio from MP4?
Yes. FlowPick reads the audio tracks stored inside supported MP4 files. A common AAC track can usually be extracted into M4A without re-encoding, or converted to MP3, WAV or FLAC.
Can I convert a video to MP3?
Yes. Select MP3 as the output format and FlowPick will decode the chosen audio track and encode an MP3 file. If you do not specifically need MP3, keeping Original audio is usually faster and avoids unnecessary quality loss.
Can I extract audio without losing quality?
Choose Original audio. When the source codec fits a supported audio container, FlowPick copies the encoded audio packets without re-encoding them. This preserves the source track's encoded quality; it does not improve an already compressed recording.
What is the difference between extracting and converting audio?
Extraction separates an existing audio track from the video container and can preserve its codec. Conversion decodes that track and encodes it in another format, which may improve compatibility but takes longer and can introduce loss when the target is MP3 or AAC.
Can I extract audio from WebM or MKV?
Yes when the browser can read the container and the selected track uses a supported codec. WebM often contains Opus or Vorbis audio, while MKV can contain a wider range of codecs. FlowPick reports a clear error when a combination cannot be processed.
Can I choose a specific audio track?
Yes. When a video contains multiple audio tracks, FlowPick lists them separately. Choose one track by language, codec, channel layout or bitrate before starting extraction. The first release processes one selected track at a time.
Is my video uploaded to a server?
No. File analysis, extraction and optional audio conversion run locally in your browser. FlowPick does not send the selected video to a processing server.