Published on Apr 15, 2025 5 min read

How to Easily Change MP4 Files to MP3 Format on Windows

Users can perform an easy file format conversion by turning their MP4 files into MP3 on Windows systems. The conversion process proves essential for video users who need their audio content either as music files or podcast files for playing on audio players and disk-space optimization. Any person can convert MP4 files to MP3 format through basic tools and simple steps that do not demand technical knowledge or complex software programs.

Why Convert MP4 to MP3?

MP4 files are multimedia containers that typically store both video and audio. However, when you only need the audio from an MP4 file, extracting it and saving it as an MP3 file makes sense for several reasons:

• Smaller File Size: MP3 files are audio-only, so they take up far less storage space compared to their MP4 counterparts.
• Device Compatibility: MP3 files can be played on almost every device, from smartphones to car stereos, without any special apps.
• Better Usability: Whether for listening to a lecture on the go or adding songs to a playlist, MP3 files are more convenient for audio-focused tasks.

Method 1: Using VLC Media Player (Free Software)

VLC Media Player is a versatile, open-source media player that’s capable of much more than just playing videos. You can also use it to convert MP4 files to MP3 format with ease. Here’s how to do it:

Step-by-Step Guide:

1. Download VLC Media Player (if you don’t have it yet): You can download VLC for free from the official website.
2. Open VLC Media Player: Launch the application.
3. Go to the Convert/Save Option: Click Media in the top-left menu, then select Convert/Save... from the dropdown.
4. Add MP4 File: Use the “Add” button to select the MP4 file you want to convert.
5. Choose Convert/Save: Click the Convert/Save button at the bottom of the dialog box.
6. Select MP3 Format: Under “Profile,” choose the "Audio - MP3" option.
7. Start the Conversion: Click Start and VLC will begin converting your MP4 file to MP3.

Once completed, head to the folder you choose, and your MP3 file will be ready to use.

Method 2: Using an Online Conversion Tool

If you don’t want to download any software, an online MP4-to-MP3 converter can be a quick and hassle-free option. These tools work directly in your web browser and are ideal for occasional users.

Step-by-Step Guide:

1. Choose an Online Converter: Popular options include Online Audio Converter or Zamzar.
2. Upload the MP4 File: Click the “Choose File” button to upload your video.
3. Select MP3 Format: Choose MP3 as the output format.
4. Start the Conversion: Hit the “Convert” button to begin the process.
5. Download the MP3 File: Once done, download the converted MP3 file to your computer.

While online tools are convenient, they do have limitations in terms of file size and internet dependency, so keep that in mind.

Method 3: Using Audacity (For Advanced Users)

If you want more control over the audio during conversion or need higher-quality results, Audacity is a great option. This powerful, free audio editor allows you to customize your MP3 files with ease.

Step-by-Step Guide:

1. Download Audacity: Install the software from its official website.
2. Install LAME MP3 Encoder: Since Audacity doesn’t come with an MP3 encoder by default, you’ll need to download and install the LAME MP3 encoder plugin (instructions can be found on Audacity’s website).
3. Open Audacity and Import MP4: Launch Audacity and drag your MP4 file into the application.
4. Export as MP3: Go to File > Export > Export as MP3. Select your desired settings for bitrate and quality.
5. Save the File: Choose the file location and click “Save” to finish.

With Audacity, you can also edit the audio (e.g., trimming, adding effects) before exporting it.

Method 4: Using Windows Apps and Built-In Tools

If you prefer to stay within the Windows ecosystem, several apps and built-in tools can help you convert MP4 to MP3.

Using Windows Media Player:

While it doesn’t support direct MP4-to-MP3 conversion, you can use Windows Media Player to rip audio from CDs or attempt workarounds, though this method isn’t the most straightforward.

Using Third-Party Apps from the Microsoft Store:

Tools like “Any Audio Converter” or “Media Converter” are available for download on the Microsoft Store. These apps often have user-friendly interfaces and straightforward conversion processes.

Using Command Prompt (For Tech Enthusiasts):

If you feel comfortable with command-line tools, you can use FFmpeg, a free software program that supports video and audio conversions.

Tips for a Seamless Conversion Process

• Always check for compatibility: Before converting a file, make sure it is compatible with the intended output format. Some formats may not be supported by certain devices or applications.
• Consider file size and quality: Converting a video or audio file can significantly impact its size and quality. Be aware of this factor when selecting your desired output format.
• Use reputable conversion tools: With so many options available, it's important to do some research before choosing a conversion tool. Look for reviews and recommendations from trusted sources.
• Keep backups of original files: In case something goes wrong during the conversion process, it's always a good idea to keep backups of your original files.

Troubleshooting Common Issues

Converting files from one format to another can sometimes lead to unexpected problems. Here are some common issues you may encounter and how to troubleshoot them:

• Formatting errors: Sometimes, the converted file may have formatting errors such as missing or incorrect fonts, spacing, or alignment. In this case, try converting the file again using a different tool or adjusting the settings in your current tool.
• Corrupted files: It's possible that the original file was corrupted or damaged, which could affect its conversion. If you suspect this may be the case, try repairing or recovering the original file before converting it.
• Unsupported file types: Some tools may not support certain file types or versions, resulting in an error during conversion. Check the tool's documentation to ensure that your input file is compatible.

Conclusion

Changing MP4 files to MP3 format on Windows doesn't have to be a daunting task. By utilizing reliable conversion tools, ensuring file compatibility, and addressing common conversion issues such as unsupported formats or corrupted files, the process can be efficient and straightforward. Whether you opt for third-party software, online converters, or built-in features of media players, following the correct steps will help you successfully extract audio from your MP4 files.