The Best MP4 to MP3 Converter Online

Converting MP4 (video files) to MP3 (audio files) is a common requirement for many users who want to extract the audio part from video files. MP4 is a popular video format, while MP3 is the standard audio format. Here, we have reviewed some of the most popular online tools that can help you convert MP4 files to MP3 format, highlighting their unique features and benefits.


CloudConvert is one of the most versatile online file conversion services. Not only does it support the conversion of MP4 to MP3, but it also supports over 200 other formats, including WEBM and AVI. What sets CloudConvert apart is its ability to allow users to control video resolution, quality, and file size during the conversion process.

Features and Benefits

  • Diverse Format Support: CloudConvert supports nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats.
  • No Software Required: It operates entirely online, which means you don’t have to download any software to use it.
  • Data Security: It has been trusted by users since 2012, and ensures that no one else has access to your files.
  • High-Quality Conversions: It uses open-source software and has partnered with various software vendors to provide the best possible results. Users can adjust settings to meet their specific needs.
  • Powerful API: For developers, CloudConvert offers an API that allows custom integrations with applications. The API is charged based on usage, and high-volume customers receive discounts. It also offers handy features such as full Amazon S3 integration. is another free and secure online tool that excels in converting MP4 to MP3. This tool is known for its simplicity and high-quality conversions. It allows for batch conversion, which means you can convert multiple files at once.

Features and Benefits

  • Ease of Use: Simply upload your MP4 files and click the convert button. The tool is incredibly user-friendly.
  • High Quality: uses both open-source and custom software to ensure the highest quality of conversions. Moreover, users can fine-tune conversion parameters using “Advanced Settings.”
  • Security and Privacy: The tool guarantees file security and privacy. Files are protected with 256-bit SSL encryption and are automatically deleted after 2 hours.
  • Step-by-Step Conversion Process: The process is streamlined and involves selecting your MP4 files, clicking on “Convert to MP3,” and finally downloading the converted files.

Other Notable Options

There are also other tools worth mentioning for converting MP4 to MP3:

  • Convertio: This tool is advanced and converts files in seconds. It is free and easy to use. It allows users to select the bitrate range for the Variable Bitrate (VBR) MP3 file and choose the constant bitrate for the audio track.
  • Zamzar: Zamzar is an online conversion tool that supports real-time conversion without the need for software installation. It is free and offers 256-bit SSL encryption for file protection. Users can also convert their MP3 files to other formats.
  • Kapwing: Kapwing is renowned for its speed. Users can convert MP4 to MP3 in seconds using this tool. Additionally, it offers features such as removing silences, adding sound effects, or background music.
  • Online Audio Converter: This tool supports over 300 different file formats, including video formats, and allows users to extract audio from video files. It is a free online app that can convert audio files to MP3, WAV, MP4, M4A, OGG, or iPhone ringtones. Additionally, users can configure the quality, bitrate, frequency, and number of channels.

Considerations for Choosing a Converter

When choosing an MP4 to MP3 converter, it is important to consider a few factors to ensure that you get the desired output:

  • File Size and Quality Control: Check if the tool allows you to control the file size and quality of the converted MP3. This is important if you are conscious about the space the files will take or the quality of the audio.
  • Format Support: Make sure that the tool supports the input and output formats that you require.
  • Security: Ensure that the tool respects user privacy and does not keep copies of your files.
  • Ease of Use: The tool should be user-friendly and not require complex procedures to convert files.
  • Batch Conversion: If you need to convert multiple files, a tool that supports batch conversion can save you time.
  • Advanced Settings: For more control over the conversion process, look for a tool that offers advanced settings.
  • API Access for Developers: If you are a developer or need to integrate the conversion tool into your application, check if the tool offers API access.


Converting MP4 to MP3 is a breeze with the plethora of online tools available. CloudConvert and are two outstanding options due to their ease of use, diversity in format support, and commitment to security. Other notable options include Convertio, Zamzar, Kapwing, and Online Audio Converter.

Remember to keep in mind the considerations listed above when choosing a converter. Whether you are a casual user just looking to extract an audio track from a video or a developer looking for robust API support, a tool will meet your needs.

Make the most of these tools without the need for downloading any software, and enjoy high-quality MP3 files converted from your MP4 videos. The world of file conversion is at your fingertips.


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