Convert MP4 to MP3 online
Upload an MP4 video and Vocova extracts the audio as a 192 kbps MP3 file. Use it for podcasts, music, voice notes, or continue into transcription from the same file.
Drop your file here or click to browse
.mp4·up to 500MB
Extract MP3 from MP4 without opening a video editor
MP4 is the default container for phones, cameras, screen recorders, Zoom and Google Meet recordings, webinars and most editing apps. When the useful part is the voice or music, the video track is just extra weight. Vocova reads the MP4, drops the video stream, and re-encodes the audio as a 192 kbps MP3 — a practical default for speech, podcasts and casual listening. The MP3 is ready to download, share or drop into an audio workflow. If you need text, you can continue into transcription from the same MP4 file.
How it works
Upload your MP4
Drop in any MP4 file — meeting recording, lecture video, podcast camera export, voiceover take, interview clip or screen recording.
- Accepts .mp4 files up to 500 MB and 5 hours
- Works with any audio inside the MP4 — AAC, MP3, ALAC and others
- Conversions typically finish in seconds for short clips
Vocova extracts the audio as MP3
The converter reads the MP4 container, drops the video stream, and re-encodes the audio as a 192 kbps / 44.1 kHz MP3 — a practical default that works in modern players, podcast hosts, music apps and car systems.
- Audio-only MP3 output, video track removed
- 192 kbps / 44.1 kHz — high quality for speech and music
- Standard MP3 file, ready for podcast apps and music libraries
Download or send to transcription
Grab the MP3 directly, or — if the original MP4 contains spoken content — continue into Vocova transcription with one click to get a transcript, subtitles, meeting notes or searchable text.
- Direct download of the MP3
- One-click path to transcription from the same file
- Files are deleted automatically 24 hours after conversion
Features
Clean MP4-to-MP3 extraction
MP4 is a container that can hold video, audio, subtitles and metadata. Vocova picks out the audio stream and writes it as a standalone MP3, so the output is just sound — much smaller than the original video and easier to use in audio-only tools.
192 kbps MP3 — high quality by default
Audio is encoded at 192 kbps and 44.1 kHz. That's a practical balance: small enough to share, high enough for speech, podcasts and casual listening, and compatible with modern players, browsers, phones and audio editors.
Works with the MP4 files you actually have
Most MP4 videos in the wild use AAC audio inside; a few use MP3 or ALAC. Vocova handles all of them and produces a consistent MP3 output, so you don't need to know what audio codec is inside the file.
Smaller file, easier to share
An MP3 of a meeting, lecture or video podcast is usually 5–20× smaller than the original MP4. Easier to email, attach to a ticket, drop in Slack, upload to a podcast host or store on a phone.
Transcription-ready output
Once the MP3 is ready, the result screen can also start Vocova transcription from the same MP4 file — no need to pick it again. Useful for meetings, interviews, lectures and webinars.
No watermark, no signup
Conversion and download are free and don't require an account. The MP3 comes out clean — no audio sting, no overlay, no signup wall before download. Sign-in is only requested if you choose to continue into transcription.
Why choose Vocova
Cut file size by an order of magnitude
Extracting MP3 from an MP4 typically removes 90%+ of the file size. A 500 MB lecture video can become a 30–50 MB MP3 you can email, attach to a ticket or store on a phone.
Reuse meeting and webinar audio
Pull the audio out of Zoom, Google Meet, Teams, Loom or screen-recording MP4s before turning the conversation into meeting notes, summaries, transcripts or knowledge-base entries.
Prep creator audio assets
Extract sound from camera recordings, livestream exports, video podcasts and editing timelines when you need a clean voice or music track for republishing, captioning or remixing.
Move from MP4 to transcript in two clicks
For speech-heavy MP4 video, you can download the MP3 for listening or continue from the result screen into transcription. Vocova keeps both paths visible so you don't have to repeat the upload.
Who can benefit
Meeting-heavy teams
Extract audio from Zoom, Google Meet, Teams, Loom and screen-recording MP4s before turning conversations into searchable notes, summaries or knowledge-base content.
Podcasters and creators
Pull audio from video podcasts, tutorials, livestreams, voiceover takes and social clips for editing, publishing, captioning or transcript creation.
Researchers and journalists
Convert interview footage to MP3 before quote checking, transcript cleanup, qualitative coding or archive review.
Students and educators
Extract lecture audio from MP4 videos, then review it on the go or turn it into searchable study notes via transcription.
Frequently asked questions
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