Audio Trimmer
Cut audio files online, set start and end points, and export a clean clip.
Try it freeFree Audio Tool
MP4 to audio converter online
Extract audio from MP4 videos locally in your browser. Use it for meeting recordings, webinars, lectures, interviews, screen recordings, or clips you want to transcribe.
Extract audio from browser-supported MP4Runs locally in the browserRecords audio in real timeDownload the extracted audio
Free browser tool
Runs locally in browserExtract Audio From Video
Extraction is local and records the video audio track in real time. Output format depends on your browser.
Next step
Transcribe the edited audio when you need text
Start free, upload the prepared recording, and get an AI transcript with searchable text, speaker labels, timestamps, summaries, and TXT, DOCX, PDF, SRT, or VTT exports.
Related tools
More tools for extract audio from video
Continue editing or checking your file with a small set of relevant browser tools.
Audio Converter
Convert browser-supported audio into a downloadable WAV file.
Try it freeAudio Cleaner / Noise Reducer
Prepare speech audio for transcription with a browser-side voice-focused cleanup export.
Try it freeSilence Remover
Remove low-volume silence from speech recordings and export a shorter WAV file.
Try it freeVolume Normalizer
Normalize speech audio volume in your browser and export a louder, cleaner WAV copy.
Try it freeAudio Quality Checker
Check audio duration, volume, clipping, silence, channels, and transcription readiness.
Try it freeExtract audio from MP4
Choose an MP4 file your browser can play and record its audio track into a downloadable audio file. This is useful when the video is only needed for its speech.
Prepare MP4 speech for transcription
MP4 recordings from meetings, phones, webinars, and screen capture tools can be converted to audio first, then uploaded for transcription when you need text.
Browser-supported MP4 only
MP4 is a container, so browser support depends on the codec inside the file. Common H.264/AAC MP4 files usually work in modern browsers.
How it works
How to use the MP4 to Audio Converter
- Choose an MP4 file.
- Click Extract audio.
- Wait while the browser records the MP4 audio track.
- Download the extracted audio file.
FAQ
MP4 to Audio Converter questions
Can I extract audio from an MP4 file?
Yes, if your browser can play the MP4. The extractor records the audio track locally and creates a downloadable audio file.
Does MP4 to audio conversion happen locally?
Yes. The extraction step runs in your browser. Transcription upload is separate if you choose it.
Can I turn MP4 into text instead?
Yes. Use InstantTranscriber MP4 to text if you want an AI transcript from the video.