This post explains how to create an MP3 audio file on Windows 10, Android, iPhone, or Mac. Guide for how to make an MP3 file of YouTube video, how to convert audio files to MP3, how to edit audio files, etc. are also included. MiniTool Software offers you a free screen and audio recorder, video/audio editor, video/audio converter, video downloader, etc.

To create an MP3 file, you need an MP3 recorder application. This post teaches you how to make an MP3 audio file on your Windows or Mac computer, Android, or iPhone.

To help you convert audio files to MP3, edit audio files, or make an MP3 file of YouTube video, this tutorial also offers solutions.

How to Create an Audio File on Windows 10

For Windows users, you don’t need to install any third-party programs to record an audio file. Windows has a built-in free Voice Recorder to let you easily record voice from microphone. Check how to open it and create an audio file.

Step 1. Connect a microphone to your computer beforehand.

Click Start menu, type voice recorder. You should see a Voice Recorder app in the search results list, click it to open Voice Recorder program on your Windows computer.

Step 2. Next, you can click Record button or press Ctrl + R to start recording audio from your microphone.

Press Alt + P to pause the recording if you want.

Step 3. To end the recording, click Stop button and the sound is recorded.

Then you can click Play button to play the audio file directly, or click Trim button to cut unwanted parts of the audio track, etc. To locate the file, you can click the three-dot icon and select Open file location.

how to create an MP3 file

However, you may find that Windows Voice Recorder can only save the audio file in M4A format but not MP3 format. To change the audio file to MP3, you need to use a professional audio converter.

How to Convert Audio Files to MP3

MiniTool Video Converter is a 100% clean and free video/audio converter program for Windows. It can convert any video or audio file to another desired format.

This application also lets you record screen and audio on PC or download YouTube videos for free.

Below you can learn how to use it to easily convert audio files to MP3, e.g. convert Windows Voice Recorder M4A audio recording file to MP3.

MiniTool Video ConverterClick to Download100%Clean & Safe

Step 1. Load source M4A audio file

Download, install and launch MiniTool Video Converter. Click the “+” icon to add source audio files into this software. Here we add the M4A audio file recorded by Voice Recorder.

Step 2. Select MP3 as the output

Next, you can click the Edit icon under Target section. Click Audio output tab, select MP3, and select an audio output quality.

Step 3. Convert M4A to MP3

Then click Convert button to start the conversion. After it finishes, you can click Converted tab and click Show in folder button to check the converted MP3 audio file.

convert audio files to MP3

You can then play the MP3 audio file with the media players on your computer to test it.

Tip: MiniTool Video Converter is also a free screen recorder for Windows. It lets you record any area and record any activities on the screen. Full screen recording is also supported. You can also choose whether to record system audio or microphone audio. Supported output formats include MP4, WMV, MKV, AVI, MOV, FLV, or TS.

MiniTool Video ConverterClick to Download100%Clean & Safe

Other Top Free MP3 Audio Recorders

Alternatively, you can also use another professional audio recorder to create an MP3 audio file directly. Top free audio recorders for Windows that can save the audio recording file as MP3 are listed below for your reference.

  • Online Voice Recorder: Let you create an MP3 audio file using your computer or phone microphone in your browser.
  • Vocaroo Online Voice Recorder: Allow you to make an audio file directly in your browser in one click.
  • Audacity: Free, open-source, and cross-platform audio software lets you record and edit audio on Windows, macOS, etc.

How to Make an MP3 File of YouTube Video

If you want to create an MP3 file from a YouTube video, the free MiniTool Video Converter lets you do it with ease. It has a built-in Video Download feature. Check how to use it to download and convert YouTube videos in MP3 below.

MiniTool Video ConverterClick to Download100%Clean & Safe

Step 1. Launch MiniTool Video Converter. Click Video Download.

Step 2. Copy and paste the YouTube video URL in the address bar. Or click the Search box to search the target YouTube video you want to download, open and play the video.

Step 3. Click the down-arrow Download button, choose MP3 as the download format, click Download, and the software will start downloading the YouTube video in MP3 to your local drive.

How to Make an Audio File on iPhone/Android

For iPhone, you can use iPhone built-in voice recorder or try these voice recorders in App Store, Voice Recorder & Audio Editor, Voice Recorder – Recording App, Voice Memos, Rev Voice Recorder, AudioShare, Voice Record Pro, etc.

For Android, you can also use the built-in audio recorder in your phone or try these voice recorder apps in Google Play Store, Voice Recorder, Smart Recorder, ASR Voice Recorder, Easy Voice Recorder, Voice Record Pro, Rev Voice Recorder, Voice Recorder – Audio Editor, etc.

How to Create an MP3 Audio File on Mac

For Mac users, the QuickTime player can record audio in M4A format. Still, you need additional software to convert the audio file to MP3. If you want to use QuickTime Player to record audio, you can check the steps below.

Step 1. Open QuickTime Player app.

Step 2. Click File tab and choose New Audio Recording.

Step 3. Click the red Record button in the Audio Recording window to start recording from the default microphone.

Step 4. Click the same button to stop recording sound. Click File tab and click Save to select a location to store the M4A audio file.

If you want to convert M4A to MP3, you can use a free audio converter for Mac like Zamzar, MediaHuman Audio Converter, Aiseesoft Audio Converter, etc. to do this.

Instead of using QuickTime Player to create an audio file, you can use another MP3 audio recorder program to make an MP3 file. You may try Audacity for Mac, Audio Hijack, Ocenaudio, etc.

Click to Tweet

How to Edit MP3 Audio Files

To edit the MP3 audio files you created, you need to use an audio editor like Audacity, WavePad Audio Editing Software, TwistedWave Online Audio Editor, etc.

Tip: MiniTool MovieMaker – 100% clean and free movie maker software for Windows. You can use this tool to import video clips, audio tracks, photos, edit them to create a vivid personalized video. Trim, title, effect, transition, motion effect, background music, and some other professional editing features are included.

MiniTool MovieMakerClick to Download100%Clean & Safe


This post explains how to create an MP3 audio file on Windows, Mac, iPhone or Android, and recommends some tools for your reference. Hope it helps.

If you have problems with using MiniTool Video Converter, MiniTool MovieMaker, or other MiniTool Software products, you can contact [email protected].

How to Create an MP3 File FAQ

How do I make an MP3 file on my iPhone?
The built-in iPhone Voice Memo app records audio files in M4A (AAC/ALAC) format. To record an MP3 audio file on iPhone, you can search for a third-party voice recorder app in iPhone App Store.
How do you create a music file on your computer?
You can use Windows built-in Voice Recorder app to record audio from the microphone. You can also search online for some professional audio recorder and audio editor programs.
How do I record MP3 audio?
Select an MP3 recorder app for your computer or phone to do the task. This post introduces some tools.
How do I create an MP3 file on a Mac?
You can try some processional audio recorders for Mac to make an MP3 file on Mac.
  • linkedin
  • reddit