Let’s say, you have some Flash videos in FLV format, and you want to extract the audio content off FLV video files for playing an audio file on your MP3 player, but get no solution to do this. So, you need a way to solve the problem. That is the purpose you’re here. This guide would help you solve this problem easily and offer you a satisfactory solution by using a professional FLV to MP3 converter program or a free FLV to MP3 converter online. Check out below 5 solutions to convert FLV to MP3 with FLV to MP3 converter. Previously, we have talked about how to convert F4V to MP3. The way to convert FLV to MP3 is exactly the same as the way to convert F4V to MP3.

Part 1: Convert FLV to MP3 with Leawo Video Converter

Leawo Video Converter is not only a video converter, but also an audio converter or audio extractor. On one hand, Leawo Video Converter is able to convert video from one format to another format including MP4, AVI, MOV, MKV, MTS, FLV, etc., and at the same time the program is able to convert various audio files like MP3, AAC, FLAC, AC3, etc. On the other hand, this professional program allows users to extract audio track from video files. The input and output video and audio formats supported by Leawo Video Converter include Common Video (MP4, H.265 MP4, MKV, H.265 MKV, MOV, etc.), Common Audio (AAC, AC3, WAV, MP3, WMA, FLAC, etc.), HD Video (HD MP4, HD AVI, HD TS, HD VOB, etc.), and 4K Video (4K MP4 and 4K MKV). This professional converter is able to convert video and audio files with 100% quality reserved and in 6X faster speed.

Leawo Video Converter is equipped with an internal video editor and player for you to edit video files, including video trimming, adding watermark, video cropping, adding video effect, turning 2D video to 3D, and removing video noise. At the same time, the internal video player allows you to play video files after video importing.

As is mentioned before, Leawo Video Converter can be regarded as an audio extractor for you to extract only audio track from source video files. Therefore, it can play the role of FLV to MP3 converter to convert FLV to MP3. If you are using Mac computer, you can make use of the Mac version of Leawo Video Converter. Download and install the right version of Leawo Video Converter based on your computer system, and follow the guide below to extract MP3 from FLV file.

Step 1. Import Source FLV Video Files
Launch Leawo Video Converter, go to the “Convert” tab, and click “Add Video” button on the sub-menu to load your source FLV video files. Alternatively, you can directly drag and drop FLV video files into the program interface.

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Step 2. Set MP3 as Output Format
Click the drop-down box named “MP4 Video” by default next to the “Add Photo” button. On the drop-down list, select “Change” option. Then on the popup Profile window, select “MP3” from “Format” column as output format. Please note that once you change the output format, the name of the drop-down box will change as well.

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Note: If you need, you could click the “Edit” button on the drop-down profile setting box to adjust audio parameters like audio codec, bit rate, channel, sample rate, etc.

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Step 3. Convert FLV to MP3
Click the big green “Convert” button on the sub-menu bar next to the format setting drop-down box. Then, on the popup sidebar, set output directory. After setting output directory, click the “Convert” button right below. Leawo Video Converter would start to convert FLV to MP3 immediately.

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Part 2: Convert FLV to MP3 with Zamzar Free Online Converter

Secondly, I will share an online video converter Zamzar Free Online Converter, a free online video converter, audio converter, image converter, eBook converter, to do the trick with you. It does not require download or account registration. Zamzar Free Online Converter could offer free online file conversion service that could help you convert FLV to MP3 online and free.

Step 1. Import FLV Files into Zamzar
Visit the official website of Zamzar, and then we need to import FLV file by clicking “Add Files”.

Step 2. Choose Output Format
After importing FLV video file, we can choose a variety of formats as output. To convert FLV to MP3, you need to choose “MP3” as output format.

Step 3. Download File after Conversion Is Complete
Click “Convert Now” after output format is set. After a few seconds of transmission, the conversion is complete. At this time, a new interface will pop up asking you to download or select another operation. Click “Download” to get converted result in MP3 container format.

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Part 3: Convert FLV to MP3 with AmoyShare Free Online Video Converter

AmoyShare Free Online Video Converter allows you to convert online video such as Facebook FLV videos to MP3, WEBM, M4A, etc. This free online video converter is the best MP3 video converter that allows you to convert and download your favorite videos from YouTube, Dailymotion and Vimeo in a format like, MP4, MP3 and more. It’s fast, free and there is no registration needed. Of course, we can make use of AmoyShare Free Online Video Converter to convert FLV to MP3.

Step 1. Find Target Video
Go to the official website of AmoyShare Free Online Video Converter, you can import video files by entering a video link, or you can input video name, or any words related to the video.

Step 2. Start to Extract MP3 Content from Source Video File
The last step of converting online video is choosing the formats you desired, Free Online Video Convert provides MP3, M4A, WEBM and more formats. Choose one of them and finish the video to MP3 conversion. BTW, you can preview the video before you do the conversion.

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Part 4: Convert FLV to MP3 with CloudConvert

The fourth converter I will use is CloudConvert. CloudConvert claims that it can convert anything to anything on its official website. Of course, we can use it to convert FLV to MP3. Most importantly, this service is totally free of charge.

Step 1. Choose “Select Files”
On the official website of CloudConvert, choose “Select Files” to choose and import target FLV file into the converter interface.

Step 2. Choose MP3 as Output Format
Choose Audio, and then choose MP3 as the output audio format.

Step 3. Start Conversion
You need to click “Start Conversion” at the bottom right to start the conversion process, at the same time you can tick “Notify me when it is finished” and choose to “Save file to my Dropbox/Google Drive, etc.” After that, you can download and get converted result on your computer.

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Part 5: Convert FLV to MP3 with Freemake Video Converter

Fifthly, you can use Freemake Video Converter to convert FLV to MP3 free and in high quality. This free video converter is able to convert video free to AVI, MP4, WMV, MKV, FLV, 3GP, MPEG, DVD, Blu-ray, MP3, iPhone, iPad, PSP, Android, Xbox, Samsung, Nokia, BlackBerry. It supports more than 500 formats. Freemake has provided high quality freeware to over 180 million users worldwide since 2010. It is a piece of safe & reliable free software without registration, time limitations, or hidden costs. The detailed steps to convert FLV to MP3 are nearly the same as that of Leawo Video Converter. Import FLV to Freemake, choose MP3 as output, and start to convert FLV to MP3. For details steps, please check the following description.

Step 1. Import FLV to Freemake
Download and install Freemake on your computer, kick off Freemake, and click “+Video” button to choose and import FLV video file. Also, it’s possible to drag and drop multimedia clips into the freeware.

Step 2. Choose MP3 as Output Format
Hit the “to MP3” button on the lower formats bar of the free conversion application to pop up a small window.

Step 3. Convert FLV to MP3
Click “Convert&rda privacy.