How to Convert AVI to MP3 Online
Follow these three simple steps to extract MP3 audio from an AVI video. No software installation required. Free and secure.
Select an AVI Video
Choose the AVI movie, recording, interview, or archived clip containing the audio you want to save.
Choose the Audio Settings
Keep the automatic audio settings or select a 22.05, 44.1, or 48 kHz sample rate and mono or stereo output.
Extract and Download
Start the conversion, review the original video and MP3 file sizes, and download the extracted audio.
How Does the AVI to MP3 Converter Work?
The CompressFly AVI to MP3 converter reads the first audio stream in your AVI file, leaves out the video, and encodes the extracted sound as a 192 kbps MP3. You can keep the automatic sample rate and channel layout or select the available audio settings before conversion.
Conversion runs directly in your browser. Your AVI video is not uploaded to a server, and the completed MP3 file downloads from the browser to your device.
What "directly in your browser" means
- Your AVI video is not uploaded to a server.
- Audio extraction and MP3 encoding run locally on your device.
- The completed MP3 file downloads directly from your browser.
When to Convert AVI to MP3
Extract MP3 audio when you need the sound from an AVI video without keeping or playing its picture.
Save Speech or Interviews
Extract spoken audio from an AVI interview, meeting, lecture, or archived recording for easier listening.
Prepare Audio for Transcription
Create an MP3 file for a transcription, note-taking, captioning, or speech-review workflow that accepts audio input.
Listen Without the Video
Save music, dialogue, or other sound as MP3 when the AVI picture is not needed for playback or sharing.
Related Audio and AVI Tools
AVI to MP3 Converter FAQ
How do I convert AVI to MP3 online?
Use this online AVI to MP3 converter in three steps: 1. Select an AVI video from your device. 2. Keep or change the available audio settings. 3. Start the conversion and download the completed MP3 file.
Does the MP3 file include the AVI video?
No. MP3 is an audio format. The converter removes the picture and saves only the extracted sound as an MP3 file.
Which audio track is extracted from the AVI file?
The current AVI to MP3 converter extracts the first available audio stream from the selected video.
Can I change the MP3 sample rate and channels?
Yes. Keep the automatic settings or choose 22.05, 44.1, or 48 kHz and select mono or stereo output. MP3 audio is encoded at 192 kbps.
What happens if the AVI file has no audio?
An MP3 cannot be created when the AVI file has no readable audio stream. Select a video that contains an audio track.
Is the AVI to MP3 converter free?
Yes. Convert AVI to MP3 for free with no registration or credit card required.
Is there a file size limit, and is my AVI video uploaded?
Your AVI video is processed locally in your browser and is not uploaded to a server, so there is no server upload limit. The practical limit depends on your device's available memory and processing power, as well as the video's duration and resolution.