An MP3 audio converter is a tool that converts MP3 files into other audio formats, such as WAV, AAC, FLAC, M4A, and OGG. It can also extract audio from videos and optimize files for different devices or platforms.
Check out the 7 best MP3 audio converters:
- MiniTool Video Converter
- Freemake Audio Converter
- VLC Media Player
- Online Audio Converter
- Online-Convert
- Audio Converter
- MP3 Converter-Audio Extractor
#1 MiniTool Video Converter 5.0
MiniTool Video Converter is a free, clean, and safe video and audio converter for Windows that lets you quickly convert MP3 audio files without quality loss.
It is an ideal choice for those who need a professional MP3 audio converter because it offers fast conversion speeds, batch conversion, support for various formats, optional output quality settings, and more.
MiniTool Video ConverterClick to Download100%Clean & Safe
Features:
- No bundles, no ads, and no watermarks.
- Extract audio from video to save the audio track.
- Support 100+ conversions between popular video and audio formats.
- Convert multiple video and audio files into different formats in a single conversion process.
- Make video and audio files compatible with mobile devices.

#2 Freemake Audio Converter 1.1.10
Freemake Audio Converter is a popular free audio converter that can easily convert your MP3 files. Like most MP3 converters, this audio converting software allows you to convert audio files in bulk and edit audio bitrate.
Also, it can help you extract audio from videos, combine audio files, optimize audio to a decent degree, and upload audio files to cloud services. However, it only supports audio files that are shorter than three minutes.
Features:
- Support different conversions between 500+ video and audio file formats.
- Convert just a certain segment of the original file.
- Join multiple audio files into one before conversion.
- Convert video and audio files in bulk.
- Adjust the quality of the converted file.

#3 VLC Media Player
VLC Media Player is a free, open-source, and cross-platform media player that plays almost all multimedia files, DVDs, audio CDs, VCDs, and various streaming protocols.
Apart from being a media player, it can be used as a converter, which can help you convert MP3 files for free. Besides, it allows you to apply video and audio filters, loop videos, record videos, adjust subtitle delay, and even stream YouTube videos.
Features:
- No spyware, no ads, and no user tracking.
- Works on all platforms.
- Most complete feature set.
- Play files, discs, webcams, devices, and streams.

#4 Online Audio Converter
Online Audio Converter is an online audio conversion tool that supports converting any audio format and extracting audio from a video file. You can use it to convert local MP3 audio files, online MP3 files as well as files in Google Drive and Dropbox.
This online audio converter allows you to alter the audio’s bitrate, channel, and sample rate, reverse audio, fade in/out audio, and edit the track info. What’s more, the MP3 audio converter can also convert multiple audio files in a batch.
Features:
- No installation required.
- Work with over 300 different file formats.
- Extract audio from a video file.
- Remove a voice from the audio track.
- Convert multiple files simultaneously.
- Configure the quality, bitrate, frequency, and number of channels.

#5 Online-Convert
Online-Convert is a free online file converter that supports various formats, including audio, video, images, and documents. It provides a simple way to convert MP3 files by uploading files from a PC, Dropbox, Google Drive, or URL. Users can also trim unwanted audio parts before downloading the converted file directly.
Features:
- Works on all platforms.
- Convert media files for free, fast, and online.
- Large choices of formats like video, audio, image, document, and e-book.
- Customize the frame per second rate, bitrate, and even resolution.
- Save the converted files on the user account created for later download.

#6 Audio Converter
Audio Converter is an easy-to-use app for Android users to convert audio files offline or online. It only takes three simple steps to finish your MP3 audio conversion. Besides, the converter provides optional settings for the target audio, including audio bitrate and audio sample rate.
The conversion may take a few seconds to minutes, depending on the file size and CPU performance of your phone.
Features:
- Simple and intuitive interface.
- Multiple audio file formats supported.
- Support batch conversion.
- Add multiple files or add a folder.
- Combine or cut audio files.
- Feedback on conversion failure.

#7 MP3 Converter-Audio Extractor
MP3 Converter - Audio Extractor is an iOS audio converter that supports converting MP3 files to various formats. It allows users to customize output settings, including frequency, bitrate, channels, duration, and volume.
With background conversion support and custom presets, it provides a simple and flexible way to convert audio files. The app is free with optional in-app purchases.
Features:
- Supports all major audio formats.
- Comes with a metadata editor.
- Background conversion capability.
- Create and save your presets.
- Easily customize the output file.
How to Convert MP3 to Other Formats
Fast steps:
- Download and install the software.
- Add MP3 files.
- Choose output format.
- Start conversion.
- Find the converted file.
MiniTool Video Converter is a good choice to quickly convert MP3 to other formats. Here is how to convert an MP3 file to a specific format:
1. Download and install the software.
Download, install, and run this MP3 audio converter on your computer to enter the main interface.
MiniTool Video ConverterClick to Download100%Clean & Safe
2. Add MP3 files.
Click the Add Files option to upload the MP3 files that you want to convert.
3. Choose output format.
Click the drop-down arrow next to Convert all files to. Choose the Video or Audio tab to select an output format. Then, choose the video/audio quality.
4. Start conversion.
Click the Convert All button to convert the MP3 file to MP4 format.
5. Find the converted file.
Once finished, you can check the converted MP4 files under the Completed tab.

Bottom Line
Choosing the right MP3 audio converter depends on conversion speed, supported formats, customization options, and platform compatibility. MiniTool Video Converter and Freemake Audio Converter stand out as reliable choices with fast batch conversion and wide format support.
If you have any other outstanding MP3 converters to recommend, please let us know via support@minitool.com.
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