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10 best MPEG4 to MP3 converters online and offline

Try the best MPEG4 to MP3 Converter for free now!

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There are many audio formats these days, but MP3 still rules. Apart from offering universal compatibility, MP3 is smaller than most audio formats. This makes it perfect for creating a local music playlist and streaming audio online. On the other hand, MPEG4 is the most popular video format for streaming and downloading videos. Therefore, it's only logical that you'll need an MPEG4 to MP3 converter online free. The best MPEG4 to MP3 converter online should guarantee simplicity and lossless conversions. And that's what this listicle is about.

Part 1. 10 best MPEG4 to MP3 converters online and offline

Top 5 MPEG4 to MP3 converters online free

1. AnyConv

mpeg4 to mp3 converter online free
Average Rating N/A
Free 100MB maximum conversion
Supported Formats 400+

AnyConv is a relatively straightforward website to convert MPEG4 to MP3 online. The drag-n-drop UI is self-explanatory and supports 400+ popular conversions, including MP4 to MP3, MOV to MP3, MTS to MP3, and so on. Just load a video, choose MP4 as the output format, and convert. However, this free program can only support a maximum of 100MB per session. Also, AnyConv lacks audio editing tools to refine audio before downloading. Another thing, the adverts can be overwhelming.

2. Convertio

mpeg4 to mp3 converter online
Average Rating 4.8/5
Free 100MB maximum conversion
Supported Formats 200+

Convertio is another household name in the online file conversion industry. On this website, you convert between 200+ file formats, including MPEG4 to MP3 online. But what makes Convertio shine is the ability to retouch audio settings. After loading a file, you can trim it to remove noisy or silent sections. Also, Convertio can edit the bitrate, codec, channel, frequency, and volume. But as expected, the website only supports 100MB conversions per session.


mpeg4 to mp3 converter online free
Average Rating 2.8/5
Free 1GB maximum conversion
Supported Formats 1,500+ conversions

The name alone speaks it all. FreeConvert is a free website that supports more than 1,500 conversions. Used by millions of global users, this website can convert MPEG4 to MP3, ALAC, AAC, OGG, and other audio formats. Before converting video to audio, FreeConvert allows you to adjust the audio codec, volume, trim audio, and apply fade effects. Even better, the maximum file upload limit is a whopping 1GB. Be careful with the annoying ads, though!

4. Zamzar

mpeg4 to mp3 online
Average Rating 4.6/5
Free 50MB maximum conversion
Supported Formats 1,100+
Adverts X

Zamzar is a free website for converting between 1,100+ file formats. Here, you can upload videos, audio, images, and documents before converting with lossless quality. You'll even get eBook and archive converters. Before transcoding files, this MPEG4 to MP3 converter online free lets you enter the destination email address. In other words, it can share the audio link to email. Note, however, that the maximum file conversion limit is 50MB. But you can upgrade your plan and enjoy 200MB and 400MB conversions, respectively.

5. CloudConvert

MPEG4 to MP3 Converter CloudConvert
Average Rating 4.7/5
Free 1GB maximum conversion
Supported Formats 200+
Adverts X

Last but not necessarily the least effective MPEG4 to MP3 converter online is CloudConvert. It's a clean and ad-free website that supports 200+ file formats, including videos, audio, spreadsheets, documents, etc. After loading a video file, CloudConvert lets you trim it to remove unwanted sections. You can also edit the volume, bitrate, codec, and Qscale. The free perks don't end there; you can convert up to 1GB file size per session. And if you encounter any conversion issues, CloudConvert has free and timely support.

Best 5 MPEG4 to MP3 converters offline for Windows and Mac

1. Wondershare UniConverter

MPEG4 to MP3 Converter

Wondershare UniConverter is a simple offline file converter for Mac/Win computers. With its powerful converter, users can convert MPEG4 to MP3 easily and quickly. It supports 1,000+ formats spread across videos, images, and audio. With this program, you can encode videos to MP3, M4R, OGG, AU, FLAC, OPUS, and other audio formats. Not only that, UniConverter allows you to edit audio by trimming, adjusting volume, removing background noise, applying fade effects, and adjusting human voice. You can also change the audio bitrate, encoder, channel, and sample rate. Overall, it's the best beginner-friendly audio converter and editor you can find.

Additional features

  • Batch convert audio and videos.
  • Download audio and video from 10,000+ video sites.
  • Burn MP3 to CD and video to DVD.
  • Smooth screen and audio recorder functions.
  • Advanced AI smart trimmer.
wondershare uniconverter 13

Wondershare UniConverter — All-in-one Video Converter for Windows and Mac.

safe mov video converter free download Security Verified. 3,591,664 people have downloaded it.

90x faster speed to convert MPEG4 to MP3 easily.

Supports 1,000+ video and audio formats.

Compress your video or audio files without quality loss.

Excellent smart trimmer for cutting and splitting videos automatically.

Nice AI-enabled features make video editing more simple.

Save any videos to MP4 or MP3 from more than 10,000 platforms and sites.

2. iTunes


If you're a Mac user, you don't need any introduction to iTunes. This software comes baked inside your Mac computer and it also has a Windows version. That aside, it allows you to purchase, organize, and enjoy your favorite music, TV shows, and movies. But iTunes also comes with audio and video conversion capabilities. For example, you can convert MP4 to MP3. Just tap Edit > Preferences > General > Import Settings, and set the format as MP3. Then, change the video extension to .m4a, import it to iTunes, and tap File > Convert > Create MP3 Version.

Additional features

  • Trim audio and video with precision.
  • Increase or decrease audio and video volume.
  • Change ID3 tags of media files.
  • Inbuilt iTunes Store to download videos, music, audiobooks, etc.
  • It uses machine learning to create playlists.

3. Ultra MPEG-4 Converter

Ultra MPEG-4 Converter

Ultra MPEG-4 Converter is a little-known MPEG4 to MP3 converter that works with any format you throw at it. This software supports MPEG, MP4, MOV, VOB, MTS, 3GP, and many others. In addition, the simple drag-and-drop user interface supports the convenient batch conversion mode for transcoding all your projects concurrently. Ultra MPEG-4 Converter also includes an editing section for cutting and pasting parts of the video. But unfortunately, it's only available for Windows PCs.

Additional features

  • It supports device-optimized outputs.
  • Super-fast conversion speeds.
  • It supports multiple subtitle files.
  • Apply letterbox to maintain video aspect ratio.
  • Unlimited undo and redo editing.

4. Handbrake

MPEG4 to MP3 Converter Handbrake

Handbrake is a free, open-source utility software for Mac, Windows, and Linux computers. With it, you can easily convert MPEG4 to MP3. Just load your MPEG4 video on Handbrake and choose MP3 from the Container list. As expected, you can edit the codec, bitrate, sampling rate, and channel before converting. Besides MP3, Handbrake also supports encoding MPEG4 to MKV and WebM. However, you may need a bit of a learning curve to use Handbrake effectively.

Additional features

  • Convert DVD to standard video formats.
  • Apply multiple filters to videos.
  • It supports numerous device-optimized outputs.
  • It outputs up to 4K quality videos.
  • Flip, rotate, and crop videos.

5. Cisdem Video Converter

Cisdem Video Converter

Still not happy with the MPEG4 to MP3 converters above? Use Cisdem Video Converter. It's a free program that offers compatibility with both Mac and Windows PCs. Cisdem Video Converter supports all kinds of video formats, including DVDs. After uploading MPEG4, you can transcode it to MP3, M4A, FLAC, WAV, and other audio formats. You can even convert videos to 300+ device-optimized presets, including Android, iPhone, PlayStation, Xbox, Samsung, and so on. Another thing, this product offers a 30x faster conversion speed than any file converter out there. We'll leave you to find out!

Additional features

  • Rip DVDs with high quality.
  • Download music and videos from 1,000+ sites.
  • Adjust video aspect ratio settings.
  • Trim, crop, rotate, and add effects to video.
  • Add watermark and subtitles to videos.

Part 2. How to convert MPEG4 to MP3 easily?

Without wasting time, let's see how to use the best offline MPEG4 to MP3 converter - Wondershare UniConverter. Follow these steps:

Step 1 Upload your video file to convert.

Upload your video file to convert

Launch UniConverter 13 on your PC and tap the Converter tab on your left. Then, drag and drop your MPEG4 clip (s) to the UI. Or, tap Add Files to upload from your local storage or a connected device.

Step 2 Convert MPEG4 to MP4 losslessly.

Convert MPEG4 to MP4 losslessly

After loading the video successfully, click Output Format and choose MP3 under the Audio list. Also, remember to set the audio quality or bitrate. Finally, select a File Location and tap Start All. It's all that easy!

Try Wondershare UniConverter for free now!

Over 3,591,664 people have downloaded it to try the advanced features.

Note: UniConverter allows you to batch convert MPEG4 files to MP4 effortlessly.

Part 3. Frequently asked questions about MPEG4 to MP3 converter online

How do I convert MPEG4 to MP3 for free?

If you want to transcode MPEG4 to MP3 for free, I recommend free, open-source software like Handbrake or iTunes. However, these programs are not user-friendly and are limited in terms of format support. So, consider using an MPEG4 to MP3 converter online. But as you've seen, most are ad-supported and offer limited file conversions sizes.

How do I convert MPEG to MP3 using Windows Media Player?

Windows Media Player is often an underrated Windows utility tool. That's because it offers more than just audio and video playback services. So, to convert an MPEG4 file to MP3 with this inbuilt program, follow these simple steps:

Step 1. Open Windows Media Player, upload the MPEG4 video and tap the Organize menu.

Step 2. Go to Layout and select the Show menu bar option.

Select the Show menu bar

Step 3. Now tap File and choose Save As.

Step 4. Lastly, change the "4" in the filename extension to "3" and enjoy.

How do I convert MPEG to MP3 with VLC?

VLC is another media player for PCs that hides a wealth of features under the hood. One is the file converter that lets users encode between videos and audios. So, to change MPEG4 to MP3 on VLC, here are the steps:

Step 1. Open VLC and then click Media before tapping Convert/Save.

Step 2. Now tap Add to upload your MPEG4 file.

Upload your MPEG4 file

Step 3. Click the Convert/Save menu and then tap Convert.

Convert the file

Step 4. Tap the Spanner icon and tap the round MP3 checkmark on the pop-up box.

Step 5. Lastly, set a destination path and tap Start.


I hope you've already identified the best MPEG4 to MP3 converter online free. If not, I recommend something easy and feature-rich like Convertio and CloudConvert. Or, you can consider free desktop programs like iTunes, Handbrake, VLC, and Windows Media Player. But if you want to enjoy unlimited conversions with high-quality results, choose a professional option like Wondershare UniConverter. Happy conversions!

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