# MP4 to MP3 Converter: Extract Audio from Video Free - [Home](/) - - - [Tools](/tools/) - - - MP4 to MP3 # MP4 to MP3 Converter: Extract Audio from Video Pull the soundtrack out of MP4, MOV, MKV and WebM videos and save it as an MP3, a WAV, or the original audio copied without any quality loss. Do a whole batch at once. It runs in your browser, so your videos stay on your device. Audio output settingsSave audio asMP3 (plays everywhere)Original audio, no re-encodingWAV (16-bit, for editing)MP3 bitrate128 kbps192 kbps (recommended)256 kbps320 kbps Re-encodes the soundtrack to MP3, the format every player and phone accepts. Drop videos here, or click to choose MP4 - MOV - MKV - WebM - up to 2 GB each Choose videos Note: the MP3 encoder is downloaded from dragbin.com the first time you choose MP3; your videos themselves are never uploaded. Original audio and WAV need no download. MP3 encoding by [LAME](https://lame.sourceforge.io/) ([LGPL](https://lame.sourceforge.io/license.txt)), loaded as a separate file only when needed. Free to UseNo hidden chargesNo Software InstallationRuns in your browserNo Sign UpStart instantly ## Got the audio? Keep the full video safe too An MP3 is handy for listening, but the original video is worth keeping. Store it in DragBin, encrypted on your device before it's uploaded. DragBin protects files with [client side](/client-side-encryption/), [quantum resistant encryption](/post-quantum-encryption/) (ML-KEM + AES-256) keeping sensitive data private with a [zero knowledge](/zero-knowledge-encryption/) security architecture. - Get 5GB quantum resistant storage forever - Unlimited sharing, unlimited bandwidth and unlimited file size uploads - Integrated Global CDN and preview media in 4k/8k [Try DragBin Today](https://dragbin.com) ## How to Convert MP4 to MP3 Choose the audio format, add your videos, and save the results. Step 1 Pick MP3 and a bitrate, WAV, or the original audio without re-encoding. Step 2 Drop, paste or choose your videos. Extraction starts as soon as they're added. Step 3 Listen to the result, then download each file or all of them as a zip. ## Why Use This MP4 to MP3 Converter? It gives you the audio in the form you need, and it can skip re-encoding entirely when you don't need a new format. ### Lossless Option "Original audio" copies the soundtrack byte for byte, so it sounds exactly like the video and takes seconds. ### MP3 at Your Bitrate Choose 128, 192, 256 or 320 kbps MP3 for players, phones and podcast apps. ### Batch Extraction Add several videos together and download every audio file in one zip. ## Your Videos Stay With You Family clips, lectures and meeting recordings are personal. This tool does its work on your own device. ### No Uploads Videos are processed in the browser tab. For MP3 output the page downloads an MP3 encoder from dragbin.com once; your video is never sent anywhere. ### Desktop or Phone MP3 and WAV work in current Chrome, Edge, Firefox and Safari 26 or later. Original audio works in older browsers too. ### Names Kept birthday.mp4 becomes birthday.mp3, so each audio file is easy to match with its video. ## Try DragBin Today Pair private, in-browser file tools with zero-knowledge, quantum-resistant cloud storage. 5GB free, forever. [Claim 5GB free storage (opens in new tab)](https://app.dragbin.com/signup) ## Frequently Asked Questions ### Which videos can I take the audio from? MP4, MOV, MKV and WebM files, plus M4V and MPEG-TS. The soundtrack can be AAC, MP3, Opus, Vorbis, FLAC or PCM. Videos whose sound uses Dolby Digital or DTS can be saved with "Original audio" (as an .mka file) but not converted to MP3 or WAV, because browsers don't include decoders for those formats. ### Are my videos uploaded? No. Each video is read and processed inside your browser tab and is never sent to a server. To make MP3 files the page downloads an MP3 encoder (LAME) from dragbin.com the first time you use it. Only the encoder is downloaded; your video and its audio stay on your device. ### What does "Original audio, no re-encoding" do? It copies the soundtrack out of the video exactly as it was recorded, so there's no quality loss and it finishes in seconds. The file type follows the audio inside the video: AAC becomes an .m4a file, MP3 stays .mp3, Opus and Vorbis become .ogg, FLAC stays .flac and PCM becomes .wav. Most phone and camera videos have AAC sound, so you'll usually get an .m4a. ### Which MP3 bitrate should I pick? 192 kbps suits most music and is the default. 128 kbps is enough for speech such as lectures and podcasts and gives smaller files. 256 or 320 kbps only helps when the video's own sound is high quality; a higher bitrate can't add back detail the video never had. ### Why won't it work in my browser? Converting to MP3 or WAV relies on the browser's WebCodecs audio support, which Chrome, Edge, desktop Firefox and Safari 26 or later have. On older Safari (iPhone, iPad and Mac) and Firefox for Android, choose "Original audio, no re-encoding": copying doesn't need it. ### Is there a size limit? Each video can be up to 2 GB on a computer and 500 MB on a phone or tablet. The audio file is built in your browser's memory, so a WAV from a very long video can be refused on a phone; MP3 or original audio will fit. More free tools ## Keep going with the DragBin toolbox [ ### Audio Converter Change audio files between MP3, M4A, Opus, WAV and FLAC. ](/tools/audio-converter/)[ ### Mute Video Remove the sound from a video and keep the picture as it is. ](/tools/mute-video/)[ ### Video Converter Convert videos between MP4, WebM and other formats. ](/tools/video-converter/) --- Canonical: https://www.dragbin.com/tools/mp4-to-mp3