Best MP3 Converters Free: 18 Tools to Convert Videos & Audios to MP3

MP3 is a digital audio file format, a widely used and globally accepted format, and no one can deny that it provides sound quality in an optimized way. Almost all online platforms, websites, media players, and devices support MP3. Most of the time, people prefer audio files in MP3 format for better compatibility. Simply put, some videos and recorded data may need to be changed to MP3 format. They may require the necessary MP3 converter programs.

The following will introduce you 18 MP3 Converter free tools for you to convert video to MP3 free with ease.

• Part 1. Best Video and Audio to MP3 Converter Free
• Part 2. Top 6 Online Free MP3 Converters Recommended
• Part 3. 6 Best MP3 Converters for PC Free (Windows/Mac)
• Part 4. 5 Free MP3 Converter Apps
• FAQs about MP3 Converter Free

Part 1. Best Video and Audio to MP3 Converter Free

Wondershare Free MP3 Converter

Wondershare comes with this advanced video converter for Windows & Mac. It is the best MP3 converter free for PC. Now, it also offers free online video converter that allows for MP3 conversion. This Converter is free as the name states and has powerful conversion capabilities, X90 faster that other MP3 converters without compromising conversion quality. The software is uniquely designed, and the dashboard is as elaborate as it is stunning. The software converts audio files, videos, images, and other documents as well.

Key Features

• It produces high-quality output after conversion.
• The interface is concise, elaborate, and impressive.
• It provides a quick conversion facility.
• Not only conversion but can be used to record and burn DVD files.
• It has an inbuilt media player.

How to Free Convert to MP3 from Other Formats

Step 1 First, download, install, and launch UniConverter. Then, open Converter and add files by dragging and dropping them, or by clicking the "+" icon.

Step 2 Hit the settings icon on the right side and choose MP3 as the output format.

Step 3 Tap the Convert button to convert the file(s). To view the converted files, just hit the Finished button.

UniConverter now offers an online version to convert videos/audios to MP3 free online.

Part 2. Top 6 Online Free MP3 Converters Recommended

• Zamzar
• Online Audio Converter
• Convertio
• FreeConvert
• OnlineVideoConverter
• CloudConvert

1. Zamzar

Zamzar is an online file converter that allows you to convert various audio formats to MP3 effortlessly. It supports a wide range of audio/video/image/document formats and provides a user-friendly conversion process.

Features:

• Support for converting multiple audio formats to MP3.
• Fast and efficient conversion with high-quality output.
• No software installation required, accessible online from any device.
• Batch conversion option for converting multiple files simultaneously.
• Additional features like file compression and customization options.

Comparison with UniConverter

UniConverter offers a comprehensive set of features, including MP3 conversion, video editing, DVD burning, and more. It provides advanced customization options and supports a broader range of formats compared to Zamzar. Additionally, UniConverter offers faster conversion speed and rresults with higher quality.

2. Online Audio Converter

Online Audio Converter is a web-based tool that specializes in converting audio files to MP3 format. With its simple interface and easy-to-use features, you can quickly convert your audio files to MP3 with high quality.

Features:

• Support for various audio formats for conversion to MP3.
• Option to adjust audio settings like bitrate and sample rate.
• The fast and reliable conversion process.
• No registration or software installation required.
• Compatible with multiple devices and operating systems.

Comparison with UniConverter

Although it needs no installation and registration, it may pose certain risks due to some ads and redirecting links on its interface. So if you want a more secure and high-quality conversion, consider UniConverter which delivers faster conversion speeds compared to Online Audio Converter, and supports more formats as well.

3. Convertio

Convertio is an online free MP3 converter that allows you to convert audio files to the popular MP3 format. It offers a user-friendly interface and supports a wide range of audio formats for conversion.

Features:

• Supports conversion of various audio formats to MP3.
• Drag-and-drop feature for easy file upload.
• Option to customize output settings such as bitrate and sample rate.
• Cloud-based conversion for quick and convenient access.
• Integration with cloud storage services for seamless file management.

Comparison with UniConverter

UniConverter can do whatever Convertio can do, yielding way better quality results with X90 faster speed. In addition, UniConverter can secure your data safety while Convertio may have risks considering it.

4. FreeConvert

FreeConvert is a versatile online tool that allows you to convert various file formats, including audio, video, image, and document files. With its user-friendly interface and efficient conversion capabilities, you can easily convert your files for free.

Features:

• Wide range of supported formats, including MP3, MP4, JPEG, PDF, and more.
• Simple and intuitive interface for hassle-free file conversion.
• Fast conversion speed without compromising quality.
• No registration required, use it instantly and freely.
• Batch conversion feature for converting multiple files at once.

Comparison with UniConverter

If you don't want disturbing ads and file size limit, then FreeConvert may not be the option for you, since it has a lot of ads in the interface and can only allows for conversion for files within 1GB. There is a better option for you -- UniConverter, with which you can batch convert large files within a short period of time while maintaining high output quality.

5. OnlineVideoConverter

OnlineVideoConverter is an online MP3 converter for free that allows you to convert YouTube to MP3/MP4 format. It offers a simple and user-friendly interface for hassle-free video to MP3 conversion.

Features:

• Convert videos from popular platforms like YouTube to MP3.
• Fast conversion speed with high-quality output.
• No registration or software installation required.
• Compatible with multiple devices and operating systems.

Comparison with UniConverter

It only supports URLs to MP3/MP4 conversion, having great limitations to the output formats and output quality. If you want to save videos to other formats with higher quality, this online MP3 converter may not satisfy you. UniConverter stands out here as a better choice with its 1000+ supported formats and customizable settings and output quality.

6. CloudConvert

CloudConvert is a powerful online platform that enables you to convert files to and from various formats, including audio, video, image, document, and more. With its cloud-based infrastructure, you can conveniently convert your files from anywhere, anytime.

Features:

• Extensive format support, including MP3, MP4, WAV, JPEG, PDF, and many others.
• Seamless integration with cloud storage services like Google Drive and Dropbox.
• Advanced customization options for output settings, such as bitrate and resolution.
• Robust API for seamless integration into your own applications or workflows.
• High-quality conversion with fast processing times.

Comparison with UniConverter

UniConverter supports way more formats than CloudConverter, and its conversion speed is superior to CloudConvert as well. Most importantly, CLoudConvert doesn't allow to convert YouTube url to audio/video formats while UniConverter does.

Part 3. 6 Best MP3 Converters for PC Free (Windows/Mac)

• Freemake Audio Converter
• MediaHuman Audio Converter
• Any Audio Converter
• Format Factory
• Audacity
• Switch Audio File Converter

1. Freemake Audio Converter

Freemake Audio Converter is a user-friendly free MP3 converter for PC designed to convert audio files to MP3 format. It supports a wide range of audio formats and offers a simple conversion process for effortless MP3 conversion.

Supported OS: Windows 7/8/8.1/10/Vista/XP

Features:

• Supports conversion of various audio formats to MP3.
• Batch conversion for converting multiple files at once.
• Ability to customize output settings, including bitrate and sample rate.
• Extracts audio from video files and converts them to MP3.
• Intuitive interface for easy navigation and conversion.

Comparison with UniConverter

UniConverter offers a comprehensive multimedia conversion solution with advanced features like video conversion, video download, editing, and DVD burning. It supports a wider range of formats compared to Freemake Audio Converter and provides faster conversion speeds.

2. MediaHuman Audio Converter

MediaHuman Audio Converter is a powerful yet simple free MP3 converter for converting audio files to MP3 format. It provides high-quality conversion with customizable settings, making it a reliable choice for MP3 conversion.

Supported OS: Windows, macOS

Features:

• Converts various audio formats to MP3 with excellent quality.
• Allows batch conversion for processing multiple files simultaneously.
• Customizable output settings, including bitrate and channels.
• Supports adding input files from iTunes and folders.
• Easy-to-use interface with drag-and-drop functionality.

Comparison with UniConverter

UniConverter outperforms MediaHuman Audio Converter with its support for a broader range of media files, faster conversion speeds, higher quality output, and a more intuitive interface.

3. Any Audio Converter

Any Audio Converter is a versatile tool that specializes in converting audio files to MP3 format, serving as a good free MP3 converter for Windows. It supports a wide range of audio formats and provides a simple and efficient conversion process.

Supported OS: Windows 10, 8, 7, Vista, XP

Features:

• Converts various audio formats to MP3 without compromising quality.
• Extracts audio from video files and saves them as MP3.
• Batch conversion for converting multiple files at once.
• Customizable output settings, such as bitrate and sample rate.
• User-friendly interface with easy-to-navigate options.

Comparison with UniConverter

While Any Audio Converter offers basic audio conversion capabilities and is a free option, UniConverter is a superior choice due to its faster conversion speeds, broader format support, and higher output quality. UniConverter’s intuitive interface and additional multimedia features, such as video editing and batch processing, provide a more comprehensive and efficient solution for users needing robust and high-performance audio and video handling.

4. Format Factory

Format Factory is a multifunctional media converter that includes MP3 conversion among its many features. It supports various audio formats and offers a comprehensive solution for converting audio files to MP3.

Supported OS: Windows 10, 8, 7, Vista, XP

Features:

• Converts a wide range of audio formats to MP3 with high-quality output.
• Supports batch conversion for processing multiple files simultaneously.
• Customizable output settings, including bitrate and sample rate.
• Additional features like video conversion, DVD ripping, and more.
• User-friendly interface with a wide range of supported formats.

Comparison with UniConverter

Format Factory offers basic media conversion for free and supports many formats, but UniConverter is a better choice because it provides faster conversions, higher quality, and a more user-friendly interface. UniConverter also works on both Windows and macOS and includes extra features like video editing and batch processing, which Format Factory lacks.

5. Audacity

Audacity is a free, open-source audio editor that also offers MP3 conversion capabilities. While primarily known for its editing features, Audacity can convert audio files to MP3 format with ease.

Supported OS: Windows 10, 8, 7, macOS 10.7 and later, Linux

Features:

• Converts various audio formats to MP3.
• Allows for precise editing and manipulation of audio files.
• Offers additional features like noise reduction and audio effects.
• Customizable output settings for bitrate and other parameters.
• Cross-platform compatibility for Windows, macOS, and Linux.

Comparison with UniConverter

Audacity is a powerful, free tool focused on audio editing with broad OS support, but UniConverter is a better option for overall media handling. While Audacity excels in detailed audio editing, UniConverter offers faster, high-quality conversions for both audio and video, supports a wider range of formats, and features a more intuitive interface. Additionally, UniConverter doesn't need a learning curve to operate while Audacity does, making it a more versatile and user-friendly choice.

6. Switch Audio File Converter

Switch Audio File Converter is a reliable MP3 converter free to use that specializes in converting audio files to MP3 format. With its intuitive interface and efficient conversion process, it is an excellent choice for converting audio files to MP3.

Supported OS: Windows 11, 10, 8, 7, macOS 10.10 and later

Features:

• Converts various audio formats to MP3 with high-quality output.
• Batch conversion for converting multiple files simultaneously.
• Customizable output settings, including bitrate and sample rate.
• Preserves metadata and tags during the conversion process.
• Supports audio extraction from video files and saves them as MP3.

Comparison with UniConverter

Unlike Switch, UniConverter handles a wide range of audio and video formats, provides advanced features like video editing and batch processing, and has a more intuitive interface. This makes UniConverter a more versatile and efficient tool for comprehensive multimedia management.

Part 4. 5 Free MP3 Converter Apps

• VidSoftLab
• Ice Cold Apps
• Timbre
• InShot
• FunDevs LLC

1. VidSoftLab - MP3 Converter

VidSoftLab MP3 Converter is a user-friendly free MP3 converter app for Android and iOS that allows you to easily convert your audio and video files to MP3 format. Enjoy high-quality audio conversion with a simple and intuitive interface.

Supported OS: Android and iOS

Features:

• Fast and efficient MP3 conversion
• Supports a wide range of audio and video formats
• Customizable output settings for personalized results
• Batch conversion for converting multiple files at once

Comparison with UniConverter

VidSoftLab Audio Converter provides basic audio conversion features but falls short compared to UniConverter, which excels with its superior speed, quality, and versatility. UniConverter supports a wider range of formats, offers advanced functionalities like video editing and batch processing, and features a more intuitive interface. While VidSoftLab is suitable for simple audio tasks, UniConverter's comprehensive capabilities and user-friendly design make it a more effective and powerful choice for both audio and video conversion needs.

2. File Converter - Ice Cold Apps

File Converter by Ice Cold Apps is a versatile converter for Android that enables you to convert various media formats, including MP3 conversion. With its user-friendly interface, you can easily convert your audio and video files to MP3 format in just a few clicks.

Supported OS: Android

Features:

• Supports a wide range of audio, video, documents, image formats for conversion
• High-quality MP3 conversion with adjustable bitrates
• Simple and intuitive interface for effortless conversion
• Additional features like file compression and video editing

Comparison with UniConverter

UniConverter surpasses it with advanced features and enhanced performance. UniConverter offers faster conversion speeds, higher output quality, and a more intuitive interface.

3. Timbre: Cut, Join, Convert Mp3 Audio & Mp4 Video - Xeus

Timbre by Xeus is a powerful multimedia tool that not only allows you to cut and join audio and video files but also offers MP3 conversion. With its intuitive interface, you can easily extract audio from videos and convert them to MP3 format.

Supported OS: Android

Features:

• Cut and join audio and video files with precision
• Extract audio from videos and save as MP3
• Batch processing for efficient conversion of multiple files
• Additional features like audio merging and format conversion

Comparison with UniConverter

While Timbre offers basic MP3 conversion and audio/video editing features, UniConverter provides a more comprehensive set of tools, including advanced editing, DVD burning, and media transfer capabilities.

4. InShot - Video to MP3 Converter

InShot is a popular video to MP3 converter free mobile app that offers a convenient solution for converting videos to MP3 format. With its easy-to-use interface and powerful conversion capabilities, you can quickly extract audio from videos and save them as high-quality MP3 files.

Supported OS: Android and iOS

Features:

• Effortlessly extract audio from videos and convert to MP3
• Trim and adjust audio settings for customized results
• Wide range of video format support for conversion
• User-friendly interface with intuitive controls

Comparison with UniConverter

While InShot specializes in video-to-MP3 conversion on mobile devices, UniConverter offers a broader range of multimedia functionalities, including video editing, DVD burning, and media transfer options.

5. MP3 Video Converter - FunDevs LLC

MP3 Video Converter by FunDevs LLC is a versatile mobile app that allows you to convert video files to MP3 audio format. With its simple and straightforward interface, you can easily extract audio from videos and save them as MP3 files.

Supported OS: Android

Features:

• Extract audio from various video formats and convert to MP3
• Adjustable audio settings for optimal output quality
• Batch conversion for converting multiple files simultaneously
• User-friendly interface with quick and efficient conversion process

Comparison with UniConverter

If you want more than video to MP3 features and have higher requirements for conversion speed and quality, then UniConverter would be a better choice.

Part 5. FAQs about MP3 Converter Free

1. What is an MP3 converter?

An MP3 converter is a software or online tool that allows you to convert audio files from various formats to the popular MP3 format. It enables users to convert audio files to MP3 for compatibility with a wide range of devices and platforms.

2. Why do I need an MP3 converter?

An MP3 converter is useful in several scenarios. For example, if you have audio files in different formats and want to create a consistent library of MP3 files, an MP3 converter can help you convert them. Additionally, MP3 files are widely supported by media players, portable devices, and online platforms, so converting audio files to MP3 ensures compatibility and ease of use.

3. How does an MP3 converter work?

MP3 converters utilize encoding algorithms to convert audio files to the MP3 format. They analyze the original audio file, compress it, and remove any unnecessary data while preserving the quality of the sound. This process results in a smaller file size without significant loss of audio quality.

4. Are all MP3 converters the same?

No, MP3 converters can vary in terms of features, conversion speed, output quality, and user interface. Some converters offer additional functionalities like batch conversion, audio editing, or customization options. It's important to choose a reliable and reputable MP3 converter that meets your specific requirements and provides high-quality conversions.

I hope now you are confident and aware of the best MP3 Converters for Windows, Mac, Online, iOS, and Android devices. Due care was taken to explain the steps easily. Simply follow the guide above, which will help you convert your media files to and from the MP3 file format.

Conclusion

In conclusion, whether you're looking for the best free video and audio to MP3 converters, top online options, or reliable converters for PC and mobile apps, there are numerous tools available to suit your needs.

However, for those seeking a comprehensive solution that combines speed, quality, and versatility, UniConverter stands out as a top choice. For the best results in converting your media files to MP3, consider downloading UniConverter today and enjoy its robust capabilities and user-friendly design.