Free Video to MP3 Converter: Separate Audio from Video

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Free Video to MP3 Converter: Separate Audio from Video

23 June 2020 Jennifer Thatcher Technology Manager of Test Dept.

Last update by James Smith at 9 November 2026

Summary
As we know, a video is combination of image and audio. Sometimes, we are attracted by the video background music. How to save these audios? In this essay, we will talk about how to separate audio from video with free video to MP3 converter.

Content

Part 1: About MP3

Part 2: Convert Video to MP3 with Renee Video Editor Pro

Part 3: How to Change Video Volume or Modify Audio?

Part 4: Convert Video to MP3 in Media.io Online Converter

Part 1: About MP3

MP3 is the audio compression technology, whose full name is Moving Picture Experts Group Audio Layer III. This technology can greatly reduce the data amount of an audio file. The compression rate can reach to 1:10, and even 1:12. But most of us can perceive any quality reduction. Because of small size and well quality, MP3 is widely-used output format when we want to convert video to MP3 with the free converters.

Part 2: Convert Video to MP3 with Renee Video Editor Pro

If we want to separate video to MP3, we usually complete with a free converter. Next, we will introduce how to convert video to MP3 with Renee Video Editor Pro, the multifunctional software that can fulfill user’s different needs in editing videos.

Besides, Renee Video Editor Pro is a format converter where users can freely convert video to MP3. Users can add special effects, adjust sound volume and complete other operations within this software.

Renee Video Editor Pro – Multi-function Video Editing Software

Renee Video Editor Pro professional video edit tools

Screen RecordingRecord screen and webcam in Windows computer.

Cut Videos & AudiosUsers are free to cut videos and audios clips with setting start and end time.

Multiple Edit ToolsMerge, crop, rotate, cut and transform video easily. Change and add background music, subtitles and remove watermark from video.

Format ConversionSupport to convert videos and audios into different formats.

Screen Recording Record screen and webcam in Windows computer.

Multiple Edit ToolsCut Videos & Audios Users are free to cut videos and audios clips with setting start and end time.

Multiple Edit ToolsMerge, crop, rotate, cut and transform video easily. Change and add background music, subtitles and remove watermark from video.

Format ConversionSupport to convert videos and audios into different formats.

Free Trial Free Trial Free Trial

32321 users have downloaded and edited videos with fun!

1. Open Renee Video Editor Pro and click [Video Toolbox].

select video toolbox in Renee Video Editor

2. Click [Add Files] to select the target video.

select the video file in renee video editor pro

3. Select MP3 as the output format and set the output folder.

free video to mp3 converter of renee video editor pro

4. Finally, click [Start] to save the converted MP3 file.

convert mpeg to mp3 and save mp3 audio file in renee video editor pro

Part 3: How to Change Video Volume or Modify Audio?

Through the above method, we can separate the complete MP3 audio from the video. If we want only need a part of the audio, what should we do? In fact, Renee Video Editor Pro can help us, too.

1. Open Renee Video Editor Pro and click [Video Toolbox].

2. Click [Add Files] to select the target video.

3. Enter into the function [Cut].

convert video to mp4 vlc renee video editor pro

4. Cut the wanted clip out the video. You can drag the progress bar to cut or set the start and end time for the clip.

5. If the volume of the video is not equal, we can continue to improve in the function [Effect].

6. Then, click [Add Audio Effect].

add audio effects in renee video editor pro

7. Adjust the volume. If a part is too loud, you can volume down this part; a part is too low, just volume up.

8. Finally, return to the main interface and set MP3 as the output format. Click [Start] to save the audio file.

Part 4: Convert Video to MP3 in Media.io Online Converter

In addition, we can try the free online video to MP3 converter, such as Media.io.

Go to the website (link: https://www.media.io/). Then, click [+] to upload the video file. Next, set MP3 as the output format and convert it. After conversion, download and save the audio file.

Limit: It seems online converter is convenient. In fact, uploading and downloading cost much more time and the ads will pop up from time to time. In addition, information may be disclosure because the uploaded video will be saved in the other server. Therefore, we suggest you using the professional software for video to mp3 conversion.

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Part 1: About MP3

Part 2: Convert Video to MP3 with Renee Video Editor Pro

Part 3: How to Change Video Volume or Modify Audio?

Part 4: Convert Video to MP3 in Media.io Online Converter

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