How to Convert AVI to MP3 - Desktop, Online & FFmpeg Solutions
Sometimes we just need the music or sound, but we have to download the video first. That's where converting AVI to MP3 comes in. AVI is a video format, while MP3 is an audio format and converting AVI to MP3 extracts the sound from the video. Do you know that this conversion process is quite simple and can be done easily in just a few steps? Wondering how? Well, in this guide, we'll show you how to convert AVI to MP3 smoothly. Whether you are using a computer or prefer online options, this guide is here to help.
Part 1: What is AVI, and Why Convert AVI to MP3?

AVI (Audio Video Interleave) is a multimedia container format developed by Microsoft. In 1992, Microsoft introduced this format to support its videos for Windows software. The AVI format stores both video and audio data in a single file, allowing for synchronous audio-video playback.
On the other hand, an MP3 is a digital audio file that's compressed, making it easy to store or share. Created in 1991, it was initially a proprietary format; however, it is now available for free use. As a result, it has become the most widely used audio format in the world.
Now the question arises, why convert AVI to MP3? Well, converting AVI to MP3 becomes important especially when:
- You want to extract an audio file from a video.
- You are looking for better compatibility.
- You are looking to save storage.
- You want to listen to the audio on a device that only supports audio playback.
- You want to share the file online.
Part 2: The Best Way to Convert AVI to MP3 for Desktop
Now that you know the reason why it is important to convert the AVI file to MP3. Let's come to real business! How to convert AVI to MP3 on a desktop. If you are a desktop user and looking for a smart and reliable tool to convert multiple files at once, HitPaw Univd is a smart choice.
HitPaw Univd is a versatile desktop tool that makes the conversion process smooth. Especially when you need to convert multiple files at once or your files are large, this tool will come in handy. It supports over 1000+ formats with 120x speed without any quality loss. The best thing is that it's lightweight software, and you can use it on both Windows and Mac.
Key Features of HitPaw Univd
- Keeps audio clear and crisp: While converting AVI to MP3, HitPaw ensures your audio sounds stay rich, balanced, and clear. After the conversion, there will be no distortion.
- Easy-to-use interface: HitPaw Univd provides a simple and user-friendly interface with clear and simple buttons. This means even a beginner can use it without any editing skills.
- 120X Speed: Using the advanced acceleration technology, HitPaw converts audio to videos 120X faster than normal conversion. This saves your time.
- Batch conversion: HitPaw allows you to convert multiple audio files at once. THis ensure you save time without compromising on quality.
How to Convert AVI to MP3 Using HitPaw Univd
Step 1: Dowload and Install HitPaw Univd
Visit the official HitPaw website and download HitPaw Univd. Follow the on-screen instructions to install the software.
Step 2: Import AVI File
Launch the software and click on Converter. Then click on "Add Video" at the top left of the main screen. You can also just drag and drop your AVI video file into the program. (You can add more than one videos for batch conversion)

Step 3: Choose MP3 as the Output Format
After uploading the video, click the little downward arrow (inverted triangle) next to the file and choose the audio format as MP3. If you want to use the same format for all your videos, click "Convert all to" at the bottom left.

After that, you can pick the audio quality that suits your needs. If needed, click the edit icon next to the format to adjust settings like bitrate, sample rate, or encoder.

Once you select the format, the main screen will show you the file format and estimated size. Check it first before proceeding.

Step 4: Start the Conversion
Once you're happy with your settings, click "Convert" or "Convert All" to begin the process. The software will extract and convert the audio from your AVI file without losing quality.

Step 5: Access the Converted Files
After the conversion is done, go to the Converted tab at the top. From there, click Open Folder to see your new MP3 file. If you want to make more changes, click "Add to Edit List".

Part 3: 3 Online Tools to Convert AVI to MP3 for Free
If you are not a fan of desktop software, online tools are here to help. These platforms work directly from your browser, and you don't need to install anything to use them. Simply open these in your browser, upload the file, and start the conversion process. The best thing is that using these tools is free.
1. HitPaw Online Audio Converter

HitPaw also offers an online audio converter that is convenient and super easy to use. Especially if you are a complete beginner and want to convert a small file online, this can be a great choice. All you need to do is upload your AVI file, pick the output format as MP3, and click download to save the converted audio. Although it is a handy option for converting AVI files to MP3, if your file size is large, consider using the HitPaw Univd.
Pros
- Completely free
- Some functional limitations
- Constantly updated features
- Fast conversion
Cons:
- Requires Internet
2. Clideo

Clideo is another great online conversion tool that works right from your browser. Known for its attractive yet simple interface, this amazing tool supports all the major formats. You just simply need to upload the AVI file, and it will convert it into MP3 within seconds. Besides this, you can also customize the frame rate, audio frequency, or channel, and even mix the file with elements, music, video, or images to create a custom video project.
Pros:
- Easy-to-use interface
- Supports all major popular formats
- Multiple custom settings
- File Protection
Cons:
- Might get slower if the file size is large
- Limited features
3. Digital Office Pro

Digital Office Pro is another convenient web-based file conversion platform that allows you to convert audio, video, images, and documents with ease. Unlike other platforms, it has no limitations, and you can convert as many files as you want with ease. The best thing is that it supports 100+ formats and is completely free and secure. To some users, the design might feel a bit outdated, but it gets the job done efficiently.
Pros:
- 100 percent free to use
- Fast conversion speed
- High-quality output
- No limitation
Cons:
- The user interface might feel outdated.
Part 4: How to Convert AVI to MP3 with FFmpeg
If you are tech-savvy and want more control over the conversion, you can use FFmpeg. FFmpeg is a great free and open-source program that you can use through the command line of your computer, such as Terminal on Mac or Command Prompt on Windows. Though you have to type commands, it can convert almost any video or audio file. But if you are a beginner, the command line looks scary.
Although it doesn't have a regular window or buttons like other programs, it's very powerful. People who want fast conversions, advanced options, and support for rare formats often use FFmpeg. But if you're a beginner, the command line might look a little scary at first.
Pros:
- Really fast conversion
- Support every audio or video format.
- Free and open-source
Cons:
- Need to type the command manually
- Not suitable for beginners
How to Convert AVI to MP3 with FFmpeg
To convert AVI to MP3 using FFmpeg, first download it from the official FFmpeg website. After the installation, open your command line tool, and you need to enter the command.
Here's a simple command:
ffmpeg -i input.avi output.mp3
This command tells FFmpeg to take the "input.avi" file and save it as an MP3 file called "output.mp3." Then press Enter, and the tool will start the extraction process. It will extract the audio from AVI and save it as MP3.
Part 5: Why Choose HitPaw Univd for AVI to MP3 Conversion?
Here's a comparison of all tools based on their type and performance.
Tool Type
Quality
Features
Platform
Speed
Usability
HitPaw Univd
High
Unlimited
Desktop
Fast
Very Easy
HitPaw Online
Medium
Basic
Online
Moderate
Easy
Clideo
Medium
Basic
Online
Moderate
Easy
Digital Office Pro
Low-Medium
Limited
Online
Slow
Basic
FFmpeg
High
Advanced
Command Line
Fast
Hard
Out of all the tools to convert AVI to MP3, HitPaw stands out for its ease of use, fast speed, and unlimited features. Whether you are a beginner or a pro, you can convert AVI to MP3 with ease.
FAQs About AVI to MP3
Q1. How to convert AVI to MP3 without losing quality?
A1. To convert AVI to MP3 without losing quality, use HitPaw Univd. Its advanced feature doesn't compress the videos and converts them with zero quality loss.
Q2. Can I convert AVI to MP3 online for free?
A2. Yes, you can. There are multiple free online tools, such as HitPaw Online, Clideo, and Digital Office Pro, that allow you to convert files with ease.
Q3. What's the easiest AVI to MP3 converter for beginners?
A3. If you are a complete beginner, using HitPaw Univd would be the best option. It is simple and beginner-friendly.
Q4. Can I convert AVI to MP3 using FFmpeg?
A4. Yes. To convert AVI to MP3, type "ffmpeg -i input.avi output.mp3" in the terminal or command prompt.
Conclusion
Sometimes you only need audio from a video file, such as AVI, so what can you do? You can simply convert it to MP3 and get the audio in seconds. Now you might be thinking the process of converting AVI to MP3 is complicated, but it's actually quick and easy. In this guide, we explored various tools that you can use to convert AVI files to MP3 on a desktop and online. Each of these tools has its own strengths, but if you are looking for a fast and convenient tool that is reliable and user-friendly, it is recommended to use HitPaw Univd. Powered by an advanced AI algorithm, this amazing tool excels at video conversion, offering fast and high-quality output.
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Daniel Walker
Editor-in-Chief
My passion lies in bridging the gap between cutting-edge technology and everyday creativity. With years of hands-on experience, I create content that not only informs but inspires our audience to embrace digital tools confidently.
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