Video to audio in one step
Use this page when the job is simply to pull the audio track out of a video file.
Browser Audio Extractor
Extract audio from video online without uploading the source file
Drop a video or media file into Resodock, choose the output format, and export the audio track locally in the browser. It is handy for lectures, screen recordings, phone videos, interviews, and clips where you only need the sound.
MP4, MOV, WebM, MKVMP3, WAV, FLAC, M4ABatch folder extraction
Multiple export formats
Choose MP3 for sharing, WAV or FLAC for editing, or M4A and Opus for compact delivery.
Local browser workflow
Your file is handled in the browser whenever possible, which keeps the workflow simple and avoids an unnecessary upload step.
Upload Video Or Audio
Supports mp4/mov/webm/mkv/audio, max 100MB
Initializing interaction...
Extract Audio
Not uploaded
Upload a video file such as MP4/MOV/WEBM and extract its audio directly in the browser.
Processed Result
Upload audio to start processing
Processing locally in your browser. No files are uploaded.
Upload audio to start processing
When to extract audio from video
Use this when the picture is not important anymore and you only want the sound. Common examples include saving the audio from a lecture, pulling narration from a screen recording, or keeping a voice take from a phone video.
You do not need to open a video editor for this. Pick the file, choose an audio format, preview the result if needed, and download the extracted track.
Which format should you choose
Choose MP3 when you want a small file that is easy to share. Choose WAV or FLAC if you plan to edit the audio later and want a cleaner source.
M4A and Opus are good choices when file size matters. If you are not sure, MP3 is usually the safest everyday option.
Batch extraction for several clips
If you have several videos from the same class, meeting, or shoot, use the folder workflow instead of repeating the same steps one by one.
Keep the output format consistent, then download the results together. It saves time and makes the files easier to organize afterward.