Mp4 To Webm Converter For Mac

How to Convert MP4 to WEBM? Click the “Choose Files” button to select your MP4 files. Click the “Convert to WEBM” button to start the conversion. When the status change to “Done” click the “Download WEBM” button; Best Quality. We use both open source and custom software to make sure our conversions are of the highest quality.

To convert WebM on Mac, UniConverter is a good choice with high reputation. It can convert WebM to all popular video and audio formats like AVI, MP4, MOV, M4V, FLV, MKV, MPG and more. As an easy-to-use Mac app, the program can finish your WebM conversions within only 3 steps. Download Free MP4 Converter for macOS 10.7 or later and enjoy it on your Mac. ‎Free MP4 Converter is professional MP4 Video Converting software, which helps you convert any video format to and from MP4 video for playback on iPhone (iPhone X/8/7/SE/6s/6s Plus/6/6 Plus/5s/5c/5/4S), iPad (iPad Pro/Air 2/mini 3/4/Air/mini 2), iPod, and Apple TV.

Stellar Converter for Audio-Video is a professional video converter that converts WEBM file to MP4. Available for both Windows and Mac, it lets you set resolution, frame rate, bit rate etc., of the output video. Webm converter free download - MediaHuman YouTube to MP3 Converter, Free YouTube Converter, Xilisoft Video Converter Ultimate, and many more programs. Aiseesoft MP4 Converter for Mac.

Jun 25,2019 • Filed to: Convert MP4 • Proven solutions

WebM format has received a rising popularity and you may have got some WebM video files from video sharing sites like YouTube. Yeah, the format is popular. However, it's not well supported by portable media players like iPhone, iPad, iPod, etc. Then it's quite possible that you want to convert WebM to MP4 since MP4 is supported by most portable devices. If you're looking for ways to convert WebM files to MP4, consider it done now! Here we'll show you how to convert WebM video to MP4 on either Windows or Mac.

Part 1. Best Way to Convert WebM to MP4 in Seconds

To finish your task, a video converter that well support WebM is needed. Aimersoft Video Converter Ultimate here is highly recommended to help you do the conversion in clicks. With it, you can convert WebM to MP4 and other popular video formats like AVI, MOV, WMV, MKV, FLV and more with fast conversion speed and high output video quality. See more features of it below.

Aimersoft Video Converter Ultimate

Best WebM to MP4 Converter

  • Quickly convert WebM to MP4 without losing quality.
  • Supports more than 250 video and audio formats.
  • Converts videos in batch.
  • Edit video with the built-in editor. You can cut, crop, rotate video, and add music, subtitle, watermark to video.
  • Download online video with 30X faster speed.
  • Do more with all-in-one toolbox: GIF maker, screen recorder, DVD/CD burner, etc.

Easy Steps to Convert WebM to MP4 with a few Clicks

Note that the steps below use the screenshots of Video Converter Ultimate for Windows to show you how to easily get the work done. The way to convert WebM files on Mac is almost the same. Just make sure you download the right version.

Video Tutorial: Convert WebM to MP4 with Aimersoft Video Converter Ultimate

Step 1 Add WebM video

After downloading, follow the wizard to install and launch the program. Then click Add Files to import the WebM files you want to convert. Or simply drag the video files to the item bar for conversion. (Note that you can also use this program to download WebM video from online.)

Step 2 Choose MP4 as the output format

Click Output Format on the right and you'll see the format list as below. Simply go to Format and select MP4 as the output format. As you see, video presets for mobile devices are also provided. If you want to play the WebM video on your iPhone, iPad, iPod, etc., you can directly select a device as the output format to get video files with the best settings to fit your device.

Step 3 Convert WebM to MP4

Now, everything is done. What you need to do is to click the big Convert All button to start converting WebM video to MP4. Wait for the conversion to be done and then click Open Folder to get the converted MP4 video. After that, just enjoy the video anywhere you like.


FFMPEG is an advanced tool that converts file formats. If a user is hell bent towards technology, then this tool is completely for them. As, to operate by this converter, one needs to have the sound knowledge of commands. Users can convert their desired webm file to MP4 by using the following guide.

Download ffmpeg and get it installed on your system. Now, launch Command prompt/ Powershell by using the key combination of “Windows+X” and select for “Command Prompt (Admin)/Powershell”. Then, punch in the following command line [without quotes]: “ffmpeg -i video.webm –c: v copy output.mp4”

Note: Replace video.webm with the address of the location of file over your PC. Also, if you want to customize the output name of the file, replace output.mp4 with the preferred name (example: abc.mp4) in above mentioned command.

Once the command gets executed, ffmpeg starts converting your file. Later, you can locate the file from the destination folder.

2. VLC Media Player

The very renowned VLC Media Player is one of the greatest options helpful in converting the webm file format to MP4 efficiently. It can easily be played down on a variety of cross-platform video conversion over Windows, Mac, Fedora and Ubuntu etc. To understand the functionality of converting WebM file to MP4 for free, follow the steps in the said order:

Start with, launching VLC Media Player and locating “Media” menu to opt for “Convert/Save” option.

Tap on “Add Button” and browse WebM file. Tap on “Convert/Save” button placed over bottom-right hand of the dialogue box.

From the following drop down menu, click on “Convert” dialog box and tap on the drop-down menu located right next to “Profile”.

Now, tap on “MP4” as the end output profile followed by “Save” button. Just after that, choose the “Start” button to kick-start conversion.

Part 3. WebM to MP4 Converter Online

Before the online converter, ff you find yourself in the confusion of which kind of converter caters your need, you must take the help of the following comparison table.

Mp4 To Webm Converter For Mac


Aimersoft Video Converter Ultimate
Online Converter
File Format Conversion MP3, MP4, MOV, AVI, MKV, WMV, FLV, and 250+ video and audio formats Limited popular formats Limited popular formats Limited
Batch Conversion Supported Supported Not upported Not upported
Ease of Use Extremely Easy Complex set of commands are used Easy Easy
Time Convenience 30X faster Slow General Slow (also depends on internet speed)
Edit Video Supported Not supported Not supported Not supported

This section covers the some of the useful converters that can manage converting webm to MP4 online converter.

1. FreeFileConvert

One of the sorted options that is essential in converting the webm to mp4 is FreefileConvert. This tool offers users with a good number of file formats such as the WAV, MP3, PDF, MP4, AVI easily and several other kinds in the categories of images, documents, archive, presentation. Users have the liberty of fetching the input from Google Drive, Dropbox and surf from the PC and get the output in no time.


If you are in search for a roundup, Wondershare can be a great converter to look up to. This web based application has an appealing interface that is quite approachable. So, without using any complex set of instructions, it offers free conversion of webm to MP4 by using this online converter. Moreover, you can use it for future purpose as it stretches compatibility with a broad category of file formats like DIVX, MOV, AVI, MP4, FLV, and MP4. Leverages download unlimited converted files.

3. Convertio

There are several online converters in online. However, no converter is as reliable as Convertio. Being a reliable tool, one can get MP4 file format file out of webm file format. In case one needs assistance, Convertio ensures to render a good base of customer support that can solve the queries easily. Users can swiftly convert several kinds of file formats like the audio, video, image, font and documents effectively.

4. OnlineConverter

Online Converter is a well sorted options that can be trusted to convert files. It is multifunctional as it can work as a Unit, Ebook, Image, PDF converter in an efficient manner. Hence, users can consider OnlineConverter to convert webm file to MP4 respectively. More than converting, OnlineConverter can also compress video according to user’s needs.

5. Zamzar

The last in our list is Zamzar online converter that offers free conversion of webm to the media player friendly MP4. It allows conversion of file formats without affecting an inch over the quality of the file. Apart from converting files, Zamzar is designed to protect the files by employing a strict base of encryption. Whenever a user is trying his hand on downloading the output or launch the fie, over the program, defected file is scanned beforehand.

WebM Format

A file ending with the .WEBM file extension is referred to as WebM file format. This audiovisual video format came into existence in 2010 and launched by Google. It is based on Matroska container and has an impeccable video quality. WebM file is also considered to be a neck to neck, royalty-free alternative to the HTML5 video and HTML audio elements. Because of this, WebM File format is smoothly compatible with web browsers such as Google Chrome, Opera, Firefox, Microsoft Edge, and Internet Explorer and can be played in Mac by using the VLC too. In case of images, it has a brother project of WebP.

MP4 Format

MP4 also referred as MPEG-4 Part 14 and MPEG- 4 AVC (Advanced Video Coding) is a digital container format incorporated to stash video and audio other kinds of data such as the subtitles and still images. These kind of files can easily work in the MP4 players. It is aimed to provide high quality output that is equivalent to DVD’s quality. A present, this format is widely accepted over a good number of media devices, Pcs and phones.

To some extent, the MP4 and WebM file format are closely mingled. However, there is a scope of distinguishing parameters that implies shark difference over both the files. As we saw, both are audio video format but in case of MP4, it widely used and shares compatibility with a good range of media players as well as the devices. The MP4 file is capable of storing subtitles, still images and the dynamics of audio visual concepts.

Mainly, the WebM file are royalty free whereas the MP4 H.264 are generally not. Also, the rate of compression in WebM files are, generally, much higher than the MP4 files.

by Brian Fisher • Feb 28,2020 • Proven solutions

- 'What is the best MP4 to WebM Converter? I'm looking for a way to convert MP4 file to WebM.'

You should convert your files from MP4 to WebM if you regularly upload videos to the web. What is WebM?

WebM is a media format specifically designed for the internet. The quality difference between MP4 and WebM is minimal though WebM is a bit inferior. However, it all boils down to the codecs used in each format. Converting MP4 files to WebM format is straightforward. You just need to download the software, load your MP4 file into the converter, choose the output format and hit Convert. Voila!

  • Part 1. The Best Solution to Convert MP4 to WebM on Mac(Fast!)

Part 1. The Best Solution to Convert MP4 to WebM on Mac

Here I would like to introduce you to an easy-to-use way to convert MP4 to WebM on Mac, including the newly macOS 10.15 Catalina. No matter how you get the MP4 video file, such as download it from some normal sites, shoot it using your HTC and the like. With the help of a great tool UniConverter, you can finish converting MP4 to WebM on Mac without hassle.

Simple Gudie to Convert MP4 to WebM with UniConverter

Step 1. Import MP4 files to WebM converter for Mac and Windows

After launching the application, click 'Add Files' to import MP4 files to this WebM converter. Or you can just drag and drop the MP4 files to this MP4 to WebM converter.

Step 2. Choose WebM as your output format

In the Video category of the format tray, select 'WebM' as the target format. Here you could also set the output resolution, frame rate, bit rate or more advanced encode settings.

Step 3. Start to convert MP4 to WebM

Youtube To Webm Converter

Once completed all the settings, return to the main interface and click the big 'Convert' button on the right of each video clip, or click the 'Convert All' button on the bottom right if you have various videos to be converted into WebM. Then let this smart WebM converter do the rest for you. This MP4 to WebM converter supports batch conversion, so you can add multiple MP4 files and convert them at a time. By the way, if you want to convert WebM to MP4, please check here to learn more.

Get the Best MP4 to WebM Video Converter - UniConverter

  • Support converting from and to more than 150+ video formats, including MP4, WebM, MOV, AVI, FLV, VOB, WMV, etc.
  • Edit videos with built-in editing tools, like Trim, Crop, Effect, Add Effects, Subtitles, Watermark, etc.
  • Tranfer converted MP4 or WebM video to mobile devices like iPhone, iPod, iPad or Android Phone and tablets, etc.
  • Download online videos from YouTube, Vimeo, Metacafe, Facebook, Vevo and 1,000 more streaming websites.
  • Various useful handy tools like GIF Maker, VR Converter, Cast to TV, Screen Recorder, etc.
  • Fully compatible with macOS 10.7 and above, up to the lastest macOS 10.14 Mojave and Windows 10/8/7/XP/Vista.
Mp4 to webm converter mac

Part 2. How to Convert MP4 to WebM with FFmpeg

For converting videos from MP4 to WebM using FFmpeg, you would require 2 applications such as Firefogg Firefox extension and a video converter. Both these tools are restricted at some or the other point. While Firefogg doesn’t support batch conversion, a regular video converter might not support complete conversion features for videos.

FFmpeg is an open source command line utility suitable for Mac or Linux systems. It is mighty and fast with lot of flexibility. But, a novice user might find it tough to use and understand.

Note: The basic format for a FFmpeg command is denoted as follows:

ffmpeg [global options] [input file options] –i input-file-name [output options] output-file-name

Steps to Convert MP4 to WebM using FFmpeg

Step 1. Install FFmpeg on your Mac after getting ‘Homebrew’

Following command will install and builds FFmpeg and prepares the libraries for converting MP4 to WebM format. On a Linux machine, you got to search the right FFmpeg package and install it accordingly.

Go to your Mac ‘Terminal’ and type ‘brew install ffmpeg --with-libvpx --with libvorbis --with-fdk-aacc’.

Step 2. Convert a single file

Free Webm Video Converter Download

Once, installation has been down, you need to convert a file. Visit the ‘Terminal’ window on your MacBook. In case, you have the file on your desktop –

Go to ‘cd ~/Desktop’

Now, run the FFmpeg command over the file:

Ffmpeg –I input-file.mp4 –c:v libvpx –crf 10 –b:v 1M –c:a libvorbis output-file.webm

Once the command is over, a fresh WebM file is generated. This is the traditional way of converting a MP4 video to WebM. The settings need to be tweaked for better results as per your source file’s size and quality.

Part 3. Top 10 Free Online MP4 to WebM Converter

#1. Online Audio Converter & Video Converter

If you don't want to install a computer program, you can also try online video converter to convert MP4 to WEBM online for free. Try it below.

Note: You will get the watermark in your video with this MP4 to WebM converter.

#2. Zamzar

Zamzar is an online converting tool which helps you in converting your MP4 files to WebM file format immediately. It works flawlessly and also allows you to convert MP4 files or other file formats to any media player or mobile devices easily. It is regarded as the best online converter which provides video, audio and other conversions. It also supports HD file formats.

- User-Friendly interface.
- Personalization features.
- It supports more than 300 file formats.
- You can receive your file in your email-id after conversion.
- It can convert the MP3 videos with subtitles.

- You have to use your e-mail to receive the converted file which may go to your spam folder.
- You cannot create temporary folders to save you’re the conversions of file format.
- Streaming of audio files reduces its quality.

#3. MP4 to WebM Converter

Need a video conversion without loss of quality? Then this is one of the best online video converters for a superior quality WebM video. The procedure is quite simple, and the interface is clean and easy to navigate. You can load the file for conversion through URL or drag a file and drop it on the converter. You can also choose the file from Dropbox, Google Drive, URL or your device. After that wait for the conversion process and download your converted file into your system.

Mp4 To Webm Converter Mac

- Quick conversion method.
- Use file from different sources for conversion purpose.

- Website deletes data from the site after one hour.

#4. online-convert

The online-convert converts your MP4 file to WebM (VP8 codec). This converter allows you to convert MP4 to WEBM online and also change some settings for your output file. It gives you a lot of freedom to choose the qualities of your file. Free users can do a batch conversion of 4 files of 100MB each.

Upload the videos you want to convert from your device, Dropbox or Google Drive. You may also convert an MP4 file to WebM through the video’s URL. Choose the settings for the output video. If you’re unsure, you may leave these settings blank. The converter will still convert your file without any issues. Click on Convert file to start the conversion.

- Quick conversion time.
- Provides high-quality video format.
- Supports a vast number of formats.
- Offers a lot of control on the output video settings.

- Batch conversion restricted to 4 files.
- File size limited to 100MB.

#5. Convertio

Convertio is one of the best MP4 to WebM converter that requires no installation. It supports more than 12,000 different format conversions. Load files from your local device or select files from Dropbox, Google Drive or directly through the URL of the video. The file size is limited up to 100 MB only.

The conversion system is straightforward. Select the file from local drive, Dropbox, Google Drive or through and select the format of your output file. Then download your WebM file into your system. You may also choose to save your output file directly to Google Drive or Dropbox.

- Quick online conversion.
- Add files from multiple sources.

- Limited file size up to 100 MB only.
- Sometimes conversion process may not run smoothly.

#6. Cloudconvert

Cloudconvert supports 218 formats for conversion and has a robust API system allows users to use it in their applications. No need to install any software. This conversion tool also offers cloud storage so you can access your file from any device.

Select your MP4 file to convert. You can give it a URL for the video or select a file from Dropbox, Google Drive, One Drive, and Box. Once you load your MP4 file, you will see the following screen. Select the format WebM for your output file. Now click on Ready to convert.

- No installation required.
- Quick time conversion.

- Cloud storage required.
- Cannot edit videos.

#7. FreeFileConvert

FreeFileConvert is a simple and fast conversion tool. The interface is pretty neat and easy to follow even for beginners. The converter not only converts MP4 to WebM online but is also helpful in converting various other files like audio, eBooks, document, image, and fonts. The converter supports all the essential formats and has many free tools as well.

Choose a file from the browser, Cloud, or URL. Then select an output format. We will choose WebM here and click on Convert.

- Bulk conversion of 5 files.
- Easy to use.

- Limited file size of up to 100 MB only.
- May take some time to convert.
- Bulk conversion size restricted to 100 MB combined.

#8. Aconvert

Aconvert is a free online converter that supports multiple formats. It allows batch conversion for up to 6 files; however, each file size is limited to 24MB only. For a single file conversion, you may choose a file of 200MB maximum.

Choose a file or paste a video URL. Choose the target format, i.e., the format for your output file. We will choose WebM. Through options menu, make any changes you want such as changes in frame rate, bitrate or size. After that click on “Convert Now” to start conversion. The conversion result is displayed once the conversion is complete.

- Provide conversion result at the end of procedure.
- Allows batch conversion.

- If some error occurs, you have to repeat the procedure again.
- Batch conversion restricted to 6 files, 24MB/Each.
- Video file limited to 200MB for a single file conversion.

Mp4 To Webm Converter For Mac

#9. Converterpoint

The best HTML 5 video converter for the three popular formats; MP4, WebM, and OGV. It requires no signup or installation. You may also set various settings for your output file. There is no batch conversion, but you can upload file size of up to 4GB.

Upload the file to convert from your device. Once you upload the video, change any settings you want or choose the default. Click Continue. A new window will appear. Select WebM and start Conversion.

- Virus free conversion.
- Quick start after formatting.
- Upload file size up to 4GB.

- File upload is slow but depends on internet speed and size of file.
- No batch processing.

MP4 to WebM conversion is not difficult. All the tools described above are free online and don’t require any installation or registration. Though each has their limitations, you can choose the one that works for you. You can also buy their premium services for more functionalities and freedom.

Category MP4 WebM
File Extension .mp4 .webm
Developed by Moving Picture Experts Group Google
MIME Type Audio/mpeg video/webm
Description MP4 is a widely used video format which consists of video, audio, subtitles and images in a single file format. It is a multimedia container which uses the H264 video codec. WebM is a popular video format specially designed for the web. It is one of the video standard format which supports HTML5.
It consists of video streams which are compressed with VP9 & VP8 video codecs, WebVTT text tracks, Opius/Vorbis audio codecs and audio streams.
Associated Programs Apple QuickTime Player, Apple iTunes, VideoLAN VLC Media player and Microsoft windows Media player Google Chrome, Mozilla Firefox and VLC Media player
Supported device Apple, Sony, Android, Microsoft and other portable devices Sometimes it does not support mobile devices
Pros Ease of compressing small files with zero quality loss
MP4 provides high quality video compared to WebM
Better Video playback
Free application
High quality video
Can be streamed on video sharing websites like YouTube.
Cons For online MP4 file streaming it is Time consuming due to pre-buffering Poor compatibility with portable devices and other media players
Supported Codecs H.264 video codecs
Audio Streams compressed with Vorbis/Opus
WebVTT text tracks