Convert Audio & Video to MP3

Fast, free, and secure. All conversions happen locally in your browser. No file uploads, no limits.

Click to upload or drag and drop

MP4, WAV, FLAC, M4A, OGG, WebM, Opus... (multiple supported)

For best results, video files are recommended to be smaller than 2GB.

Use Cases

Explore what you can do with our free online MP3 converter

Extract audio from music and videos

Save songs from music videos, concert footage, or downloaded clips as MP3. Listen offline on your phone, car stereo, or any standard player.

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How to Convert to MP3

Convert your audio or video files in 3 simple steps

Step 1

Upload Your File

Drag and drop or click to select any supported audio or video file. You can upload multiple files at once.

Step 2

Automatic Conversion

Our browser-based FFmpeg engine automatically converts your file to MP3 locally on your device. Nothing is uploaded to our servers.

Step 3

Download MP3

Download your converted MP3 instantly. No sign-up, no watermarks, and your files never leave your browser.

Why Choose Our Converter?

100% Private

Files are converted locally in your browser. Nothing is uploaded to our servers.

Lightning Fast

Universal Support

Supports over 30+ audio and video formats including MP4, WAV, OGG, FLAC.

Free Forever

No daily limits, no file size restrictions, and no registration required.

Supported Formats

We support 30+ audio and video formats. Click any format below to convert it to MP3 free in your browser.

Supported Audio Formats

AACStandard audio for YouTube, iPhone, and streaming platforms WAVUncompressed studio audio — large files, highest fidelity FLACLossless CD-quality music for archiving and listening M4AApple iTunes, Apple Music, and iPhone voice memos OGGOpen-source audio common in games and streaming WMALegacy Windows Media audio from older PCs and devices ALACApple lossless rips from iTunes and music libraries APEAudiophile lossless CD archive rips OPUSEfficient codec used by Discord, WhatsApp, and VoIP DTSMulti-channel surround audio from DVDs and Blu-rays AC3Dolby Digital soundtracks from DVDs and broadcast TV AIFFUncompressed Apple studio and Logic Pro recordings WAVPACKHybrid lossless format favored by audiophile communities TTAFree lossless codec used in audiophile music archives TAKHigh-compression lossless format with limited player support DSDSuper Audio CD (SACD) high-resolution audio files MUSEPACKHigh-bitrate lossy music from the early 2000s era SPEEXSpeech-focused codec for VoIP and podcast recordings AMRMobile phone voice memos and GSM call recordings

Supported Video Formats

MP4Most common video — music videos, clips, and lectures AVILegacy camcorder footage and older downloaded videos MKVBlu-ray rips, anime, and multi-track HD video MOViPhone recordings, screen captures, and iMovie exports WMVOlder Windows streaming and enterprise video files FLVArchived Flash web video from the early 2000s WEBMYouTube and browser-native open web video MPEGDVD, digital TV, and legacy media library files VOBDVD disc video — movies, concerts, and lectures 3GPShort clips and voice recordings from older mobile phones MTSHD footage from Sony, Panasonic, and Canon camcorders M2TSBlu-ray discs and advanced AVCHD camcorder recordings TSDigital TV, IPTV, and live stream broadcast captures RMVBLegacy online video popular in 2000s media collections SWFLegacy Adobe Flash animation, games, and embedded video DVRCable box, TV tuner, and security camera recordings WTVWindows Media Center TV broadcast captures ASFMicrosoft streaming and enterprise media container OGVOpen web video with Theora and Vorbis codecs F4VAdobe Flash HD streaming video from legacy web platforms

Can't find your format?

Tell us which format you need and we'll consider adding it.

Frequently Asked Questions

Is To MP3 Converter free to use?

Yes, To MP3 Converter is completely free to use. There are no hidden fees, subscriptions, or limits on the number of files you can convert.

Is it safe to convert my files here?

Absolutely. We use advanced WebAssembly technology to convert your files locally within your browser. Your files are never uploaded to our servers, ensuring 100% privacy and security.

What formats do you support?

We support a wide range of audio and video formats including MP4, WAV, FLAC, M4A, OGG, Opus, WebM, AVI, MKV, and many more. All can be converted to high-quality MP3 format.

Do I need to install any software?

No software installation is required. Our converter works directly in your web browser (Chrome, Firefox, Edge, Safari) on both desktop and mobile devices.

How long does the conversion take?

Conversion speed depends on your file size and device performance. Since the conversion happens locally, it is usually very fast, often taking just a few seconds for average-sized files.

Can I use this on my mobile phone?

Yes, our website is fully responsive and works on modern smartphones and tablets, allowing you to convert files on the go.