Free Video to MP3 Converter

Extract audio from MP4, MKV, WebM, MOV, AVI in your browser. No upload, no signup, no watermark. Built for Indian podcasters, YouTubers, and AI voice creators.

✓ 10+ video formats✓ 100% in-browser✓ No upload✓ No signup✓ No ads
Pair with MindLink Voice Studio

Extracted the audio. Now add a voiceover?

Pulled audio from a video and want to add an AI-generated voiceover in Malayalam, Hindi, Tamil, Telugu, Kannada, Bengali, or English? Voice Studio generates broadcast-quality voiceovers in seconds — drop the output into any video editor.

1. Extract (you are here)
Pull the audio track from your video as MP3.
2. Trim or edit
Use audio-trim to cut intros / outros.
3. Add voiceover
Generate Indian-language AI voiceovers in Voice Studio.

When you need to convert video to MP3

Six common workflows where extracting the audio track is the whole job.

🎙️

Podcast prep from video

Recorded a Zoom or Riverside conversation as MP4? Extract the audio for your podcast host. Most hosts (Buzzsprout, Anchor, Castos) want MP3 only.

🎬

YouTube voiceover assets

Have an MP4 from your own YouTube upload? Pull the audio out for use elsewhere — reels, shorts, podcasts, transcript generation.

📚

Audiobook recordings

Authors who record reading sessions on Zoom can extract the audio for distribution on Audible, Spotify, or Google Podcasts.

🤖

AI voice training data

Building a voice clone or accent model? Extract clean audio from video recordings of the target speaker.

🎵

Music from music videos

Extract audio from your own music videos for separate distribution. Useful for artists prepping multi-platform releases.

🗣️

Language learning clips

Pull individual phrases from movies, dramas, or interviews for pronunciation practice. Works great with Indian-language films.

How to extract audio from video

Convert MP4, MKV, WebM, MOV, AVI, FLV, or any common video format to MP3 in under a minute.

  1. 1

    Upload your video file

    Click the upload area or drop in any MP4, MKV, WebM, MOV, AVI, or FLV video. Your file stays on your device — nothing is uploaded to any server.

  2. 2

    Choose MP3 quality

    Pick 128, 192, 256, or 320 kbps. 192 kbps is the recommended sweet spot — indistinguishable from the original audio track for most listeners.

  3. 3

    Click Extract Audio

    The extractor loads on first click (~2.5 MB of WebAssembly code). It demuxes your video, ignores the video track entirely, and re-encodes only the audio as MP3.

  4. 4

    Download the MP3

    The MP3 saves to your device immediately when extraction completes. No watermark, no signup, no daily limit. Subsequent extractions reuse the cached extractor.

Supported video formats

The converter reads any common video container. The internal audio track (AAC, MP3, Opus, Vorbis, AC3) is auto-detected.

.mp4
YouTube, smartphone recordings, most cameras. AAC audio.
.mkv
Matroska. Common for movies and high-quality recordings. Any audio codec.
.webm
Modern web video. Used by YouTube, WhatsApp video. Opus audio.
.mov
Apple QuickTime. Default for iPhone screen recordings and Macs. AAC audio.
.avi
Legacy Windows format. Still common on older PCs and CCTV cameras.
.flv
Flash Video. Older YouTube downloads and screen recorders.
.m4v
Apple variant of MP4. Often from iTunes purchases or AppleTV.
.3gp
Mobile-phone capture format. Common on older Android and feature phones.
.wmv
Windows Media Video. Older Microsoft tools and CCTV.
🔒

Video never leaves your device

ytmp3, FLVTO, Convertio, and the other big online video-to-MP3 tools all upload your video file to their servers, run the extraction there, and serve a download link. That means your video sits on their infrastructure — often for an unspecified retention period.

This tool runs entirely client-side using WebAssembly — the same browser technology that powers in-browser video editors. Only the extractor code itself (~2.5 MB) loads from a CDN on first use. Your actual video makes zero network round-trips.

Verify it: open DevTools then Network tab, drop in a video, hit Extract. The only request you will see is the extractor code download on first use — and nothing during the actual extraction.

MindLink Video to MP3 vs other tools

Compared on the things that matter for online video-to-audio extraction.

FeatureMindLinkytmp3FLVTO / ConvertioFFmpeg CLI
Runs in browser (no install)YesYesYesNo — desktop install
Video uploaded to serverNoYesYesNo — local
Signup requiredNoNoFree tier limitedNo
Watermark / branding on outputNoYes (on free)SometimesNo
Daily quota or file-size capNoneYesYesNone
MP3 quality options128 / 192 / 256 / 320 kbpsLimited128 / 320Anything
Speed for 100 MB MP4~10s (local)~2 min (upload + queue)~3 min (upload + queue)~3s
Tracking / adsNoneManyManyNone
Indian-language voice workflowYes (Voice Studio)NoNoNo

Frequently asked questions

Everything people ask about converting video to MP3.

Is this video-to-MP3 converter really free?+

Yes — fully free, no signup, no watermark, no time or file-size limit, and no daily quota. The whole tool runs in your browser so it costs us nothing to operate.

Does my video get uploaded?+

No. The extraction runs locally in your browser tab via WebAssembly. Only the extractor code itself (~2.5 MB) is fetched from a CDN. Your actual video never touches the network.

Which video formats are supported?+

Almost every common video container: MP4, MKV, WebM, MOV, AVI, FLV, M4V, 3GP, MPG, MPEG, TS, WMV, VOB. The audio track inside (AAC, MP3, Opus, Vorbis, AC3, FLAC) is auto-detected and decoded.

Is there a file-size limit?+

The only limit is your device memory. Desktop browsers handle videos up to ~1 GB reliably. Mobile browsers may struggle past 200-300 MB on low-end devices. The extraction itself is fast — most of the wait is reading the file into browser memory.

How fast is the extraction?+

A 10-minute MP4 (~80 MB) typically extracts in 3-8 seconds on a modern laptop, 10-20 seconds on a mid-range phone. The first extraction includes a one-time ~2.5 MB code download. Subsequent extractions in the same session start instantly.

Which bitrate should I pick?+

For most use cases, 192 kbps. It is indistinguishable from the original for most listeners and keeps the file roughly 1.5 MB per minute of audio. Use 320 kbps for music videos where audio fidelity matters. Use 128 kbps for talking-head content like interviews or vlogs where size matters more than quality.

Does it work for YouTube videos?+

This tool extracts audio from video files you already have on your device. To get audio from a YouTube video, first download the video legally (only your own uploads or videos that explicitly permit download), then drop the file in here. We do not download YouTube videos for you — that would require third-party services that often violate YouTube terms.

How is this different from ytmp3, FLVTO, or Convertio?+

Those tools upload your video to their servers, queue it, watermark output, and often inject ads or trackers. This tool runs entirely in your browser, has no signup, no watermark, no quota, and no ads. It also handles much larger files because there is no upload step.

Can I use this for podcast workflows?+

Yes — this is one of the most common use cases. Record a video conversation, drop it in here, get an MP3 ready for your podcast host. The MP3 quality is identical to what you would get from a desktop ffmpeg command.

Is this legal?+

Using this tool is legal. What you do with the output depends on the source video. Only extract audio from content you own, content licensed for reuse, or content where the platform explicitly permits download. We do not endorse using this for pirated content or anything that violates copyright.

More free audio & voice tools

MindLink AI's growing suite for Indian creators.

Extract the audio. Add the voiceover. Ship the asset.

MindLink Voice Studio generates AI voiceovers in 7 Indian languages. Pair it with the audio you just extracted. Free for both.