Here are 3 ways to convert M4A to MP3 for free. You can convert M4A to MP3 in Windows Media Player, convert M4A to MP3 online, and convert M4A to MP3 in iTunes.
How to Convert M4A to MP3 in MiniTool Movie Maker
Step 1. Launch MiniTool Movie Maker.
Step 2. Import your files.
Step 3. Edit the M4A file (optional)
Step 4. Convert M4A to MP3

Method 2. Convert M4A to MP3 Online
Online file converters can also convert M4A to MP3. There are different M4A to MP3 online converters, but most of them more or less have some ads or limits. Here, we take Cloud Convert for example since it can convert anything to anything.

How to Convert M4A to MP3 Online
Step 1. Select M4A file

Go to cloudconvert.com, click the Select Files button, select the desired M4A file you wish to convert. You will see the conversion options screen after you select your files.

Step 2: Customize your output settings

Click on the file format arrow, select audio, and select MP3. Cloud Convert will convert the file into an MP3 at a variable bit rate of between 220kbps and 250kbps.

Click on the wrench icon to change the number of audio channels, the sampling frequency, and more output settings. Click Okay to save these changes.

Step 3: Convert the file

Method 3. Convert M4A to MP3 iTunes
Last but least, iTunes can convert M4A to MP3.

iTunes convert song files between compressed and uncompressed formats. For example, you might want to import some uncompressed files and convert them to compressed files to save disk space. Now, try the following steps to convert M4A to MP3 file format which tends to be smaller and compatible with more audio applications.

How to Convert M4A to MP3 iTunes
Step 1. Open iTunes for Windows. (On Mac, iTunes comes preinstalled with the operating system.)

Step 2. Click Edit and select Preferences. Click the General tab, and choose the Import Settings.

Do you know how to convert mp4 to mp3? Can you convert MP4 to MP3 in Windows Media Player? How do I convert YouTube MP4 to MP3?
How to Convert MP4 to MP3 in Windows Media Player
Step 1. Find the MP4 file that you want to convert it to MP3, double click it and select Open with > Windows Media Player. Then, this file will play by default.

Step 2. Click on the Menu icon at the top right to go to the Windows Player home screen.

Step 3. Click on Organize menu and then select Options button.

Step 4. Click on Rip Music, and click on Change to select a destination of the converted file.

Step 5. Select the output format as MP3 under Format option. Then click on OK button to convert MP4 to MP3 right away!

The Best MP4 to MP3 Converter – MiniTool Movie Maker (Must Know)

Step 1. Launch MiniTool free video converter.

First, you need to subscribe to get the best MP4 to MP3 converter.

Then, install it on PC.

Launch it, and close the movie templates window or click Full-Feature Mode to enter its main interface.

Step 2. Import your MP4 file.

In the main interface, you can click the Import Media Files button to import your MP4 file (files).

Next, drag and drop the MP4 file (files) to the simple and clean timeline.

If you like, you can edit your MP4 file (files). For instance, you can fade in or fade out music to smooth the video, music and audio transitions.

Step 3. Convert MP4 to MP3 on Windows.

Click the Export button to get the following window.
Select MP3 as the output format in the Format.

Change the name, and choose a location to save the MP3 file.

Finally, click the Export button. Now, the best MP4 to MP3 converter begins to converting files.

How to Convert MP4 to MP3 on Mac
Step 1: Launch iTunes and set MP3 profile

Open iTunes.
Click on the iTunes drop-down menu, and select Preferences.
Select General, click Import Settings button at the bottom to open the window.

Twitter video won’t play on iPhone/Android/Chrome?
How to Fix Twitter Videos Not Playing on Android/iPhone
Here are 4 solutions to fix the issue of Twitter videos won't play on Android and iPhone.

Solution 1. Check Network
The poor network will cause Twitter video not loading on iPhone or Android.

If your videos won't play on Twitter app, you should first check your network. Connect it to an enough-signal-strengths Wi-Fi, and then restart Twitter to load videos.

Solution 2. Reinstall Twitter App
If there are some glitches with Twitter app, Twitter videos won't play on phone. It is recommended to uninstall Twitter, then reinstall it, and load videos again.

Solution 3. Update Twitter App to the Latest Version
Sometimes, the reason why videos won't play on Twitter app is that your phone may not support the current version of Twitter app anymore.

Download the latest version of Twitter or update your iPhone to the newest iOS system, and then load Twitter videos again.

Solution 4. Launch Mobile Phone Browser to Check
If you encounter the Twitter video not playing Android and iPhone issue when visiting www.twitter.com on your phone, you can try cleaning all cache and cookies and then restarting phone to load Twitter videos.

Note: please be careful when cleaning cache and cookies since they store much information.

For instance, to clear the cookies from Safari on your iPhone, you need to go to Settings, select Safari, and tap Clear History and Website Data.

How to Fix Twitter Videos Not Playing in Chrome
Here are 8 solutions you can try when you can’t play Twitter videos Chrome.

Solution 1. Switch Browsers
If you can’t play videos on Chrome browser, you can switch to Firefox or other browsers to see if it works fine. If you can watch video successfully in Firefox, please keep reading to find how to solve this issue in Chrome.

Solution 2. Restart Chrome Browser

Want to trim video to remove unwanted frames from the start or end of a clip to create your masterpiece?
To trim video effectively and quickly, you can try a powerful video trimmer like MiniTool Movie Maker.

With the best video cutter, you can effectively and perfectly trim video as it offers wizard-like interfaces as well as powerful functions. Besides, it is a free tool. Thus, it can help you trim video free. It is definitely worth a try!

Next, let’s see how to use the best video cutter to trim your video to remove the unwanted frames from the start or end of your video clip.

Step 1. Download and install MiniTool Movie Maker on your computer.

Step 2. Launch this free video editing tool, and then choose the Full-Feature Mode to enter its main interface

Step 3. Click the Import Media Files option to import your video files to the best video cutter, and then drag the video files to the storyboard. With this tool, you can import different video formats including .wmv, .mp4, .avi, .mov, .f4v, .mkv, .mpeg2, etc. .

Step 4. Select the video file you want to trim on the storyboard, and then click the scissor icon on the toolbar to open the Split/Trim window. After that, click the Trim table to enter the Trim window.

Step 5. Move the clip’s start point to the desired place and then click the scissor icon on the Start, and move the clip’s end point to the desired place, and then click the scissor icon on the End. After that, click the OK button to save these changes.

Step 6. Export this trimmed video. With MiniTol Movie Maker, you can export this video into different video formats including .wmv, .mp4, .avi, .mov, .f4v, .mkv, .3gp, .mpeg2, .webm, .gif, and more.

Trim Video with the Built-in Photos App
The steps are:

Firstly, you should right-click the video file.

Secondly, you are supposed to choose Open with and then select the Photos option.

Thirdly, click the Edit & Create button at the top and then choose Trim.

YouTube video shows a black screen! How do I fix the YouTube black screen Firefox/Google issue? How to fix YouTube black screen on phone?
Solution 1. Sign out of Your YouTube (Google) Account
Several users have remarked that the problem ceases to exist once they log out of their YouTube (Google) Account.
Solution 2. Check the Status of Your Network Connection
It is very necessary to check if you have a reliable and strong network connection. Poor and unstable network connection might prevent your browser from loading the complete video, just display a black screen or in some rare cases, only output the audio.

After checking the network connection, you can try refreshing the YouTube page or restarting the browser and check if it is working correctly.

Besides, you can check all running programs on your PC and make sure that they are not consuming too much traffic.

Solution 3. Update the Browser
If your web browser isn't updated to its latest version, you will encounter the YouTube black screen issue. Besides, if your browser is still using the Adobe Flash Player plug-in which isn’t supported by YouTube anymore, you also will encounter this issue. To fix this issue, you need to update the browser.

Solution 4. Clear Your Browser’s Cache and Cookies
Sometimes, the cache and history present in your browser can cause the black screen issue. Thus, you need to clear the browser’s data to fix this issue. Here, we take the top 2 most popular browsers for example to show how to solve the black screen issue.

Solution 5. Disabling AdBlockers and Extensions
If the above methods cannot solve the YouTube black screen issue, you can check to see if there's an extension causing a conflict with YouTube.

Solution 6. Check Adobe Flash Player
There is no doubt that Adobe Flash Player is pre-installed in many web browsers and is widely used to embed videos on several websites.