How to Convert MP4 to WebM with Zero Quality Loss

by Christine Smith • 2020-02-24 11:29:03 • Proven solutions

Convert MP4 to Other Format

1. Convert MP4 on Windows+
  1. 1.1 MP4 to WMV Converters
  2. 1.2 Free MP4 to MP3 Converters
  3. 1.3 Free MP4 to AVI Converters
  4. 1.4 Convert MP4 to YouTube
  5. 1.5 Convert MP4 to Xvid
  6. 1.6 Convert MP4 to Windows Movie Maker
  7. 1.7 Convert MP4 to WEBM
  8. 1.8 Convert MP4 to WAV
  9. 1.9 Convert MP4 to VOB
  10. 1.10 Convert MP4 to SWF
  11. 1.11 Convert MP4 to MPEG/MPEG-1/MPEG-2
  12. 1.12 Convert MP4 to MOV
  13. 1.13 Convert MP4 to MKV
  14. 1.14 Convert MP4 to M4V
  15. 1.15 Convert MP4 to H.264
2. Convert MP4 to Other on Windows+
  1. 2.1 Convert MP4 to ISO
  2. 2.2 Convert MP4 to iPod
  3. 2.3 Convert MP4 to iPhone
  4. 2.4 Convert MP4 to iPad
  5. 2.5 Convert MP4 to iDVD
  6. 2.6 Convert MP4 to FLV
  7. 2.7 Burn MP4 to DVD
  8. 2.8 Top 15 MP4 to DVD Burners
  9. 2.9 Convert MP4 to DV
  10. 2.10 Convert MP4 to Divx
  11. 2.11 Convert MP4 to AVI
  12. 2.12 Convert MP4 to Adobe Premiere
  13. 2.13 Convert MP4 to 3GP
  14. 2.14 Convert MP4 to HTML5
  15. 2.15 Convert MP4 to MPG
  16. 2.16 Convert MP4 to OGV
  17. 2.17 Convert MP4 to PS3
  18. 2.18 Convert MP4 to iTunes
3. Convert MP4 to Other on Mac+
  1. 3.1 Convert MP4 to WMV on Mac
  2. 3.2 Convert MP4 to WEBM on Mac
  3. 3.3 Convert MP4 to SWF on Mac
  4. 3.4 Convert MP4 to OGV on Mac
  5. 3.5 Convert MP4 to OGG on Mac
  6. 3.6 Convert MP4 to MP3 on Mac
  7. 3.7 Convert MP4 to MOV on Mac
  8. 3.8 Convert MP4 to MKV on Mac
  9. 3.9 Convert MP4 to M4V on Mac
  10. 3.10 Convert MP4 to DVD on Mac
  11. 3.11 Convert MP4 to Divx on Mac
  12. 3.12 Convert MP4 to AVI on Mac
4. Convert MP4 to Other Online+
  1. 4.1 Convert MP4 to SWF Online
  2. 4.2 Convert MP4 to OGV Online
  3. 4.3 Convert MP4 to OGG Online
  4. 4.4 Convert MP4 to MKV Online
  5. 4.5 Convert MP4 to M4V Online
  6. 4.6 Convert MP4 to Divx Online
  7. 4.7 Convert MP4 to 3GP Online
  8. 4.8 MP4 to WMA Converters Online
  9. 4.9 MP4 to WEBM Converter Online
  10. 4.10 MP4 to WAV Converters Online
  11. 4.11 MP4 to MPG Converters Online
  12. 4.12 MP4 to MOV Converters Online
  13. 4.13 MP4 to FLV Converters Online
  14. 4.14 MP4 to AVI Converters Online
  15. 4.15 MP4 to MP3 Converters Online

If you regularly upload videos to the web, the WebM video file format offers better compression and video quality compared to other video formats. It’s also supported by the major browsers. WebM videos are quite popular on video sharing sites like YouTube and even on other specific websites. Converting MP4 to WebM can be quite challenging if you don’t have the right software. The Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is a versatile application through which you can use to convert from MP4 to WebM within a few minutes and without losing video quality. Here is how you can do this.

Part 1.The Best MP4 to WebM Video Converter

1.1 Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

This video converter has many benefits compared to competitors.They include:

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) - Best Video Converter to Convert MP4 to WebM

  • Up to 30 times faster compared to competing software
  • Convert MP4 to a variety of video formats including WebM, AVI and MOV
  • Create unique video output through preset edits like trimming and adding subtitles
  • Edit videos with the advanced video editing functions like trimming, cropping, adding watermark, subtitles etc.
  • Download videos from YouTube and other 1000+ video sharing sites.
  • Supported OS: Windows NT4/2000/2003/XP/Vista/7/8, and Windows 10 (32 bit & 64 bit), Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
Security Verified. 5,481,347 people have downloaded it.

1.2 The Process of Converting MP4 to WebM using Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

Step 1 Upload the MP4 Files

You can do this in two ways. First, you can drag and drop the files into the program. Second, you can click to Add File. This opens a new window where you can select the MP4 files you wish to convert to WebM. Once you’ve uploaded your files you can preview them, change their names or even merge them.

How to Convert MP4 to WebM - add files

Step 2 Select Output Format (WebM)

At the right of the window, click on the drop-down list of Convert all files to to open a new window. Click on the Video button and select WebM.

How to Convert MP4 to WebM - select output format

Step 3 Customize By Editing (Optional)

If you want to create a custom WebM video, you have the option of making edits before converting. The editing settings can be made after you click on the buttons below the videos. Some of the edits you can make by using the Wondershare UniConverter (originally Wondershare Video Converter Ultimate) include cropping, trimming, rotating, changing brightness and contrast as well as adding subtitles.

How to Convert MP4 to WebM - editing videos

Step 4 Start Conversion

Once you’re satisfied with the video quality, click on the “convert” button to start the conversion process. It takes a few minutes to complete depending on the file size being converted. Once the process is complete, you can view the converted file by clicking on the “open folder” button located at the bottom of the window.

How to Convert MP4 to WebM - start conversion

1.3 The Video Tutorial for Converting MP4 to WebM using Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

Part 2. Free MP4 to WebM Video Converter

2.1 Wondershare Video Converter Free

You can also convert your MP4 files to WebM for free using the Wondershare Video Converter Free. This software allows you to convert your video files without paying anything which can be convenient if you are just converting a single file. In addition, this is lightweight software that is supported by windows NT4 up to windows 8. It can also run on PCs with low processing power and memory.

Key Features:

  • Eye-blinking file conversion speed.
  • Powerful video editing functions.
  • Secure and reliable.
  • Excellent conversion quality.
  • YouTube downloading capacity.

2.2 Converting MP4 to WebM using Wondershare Video Converter Free

Step 1 Import the MP4 files

Once you have installed and run the software, import your MP4 files by dragging and dropping onto the main interface. You can also import files by clicking on the “add files” button. This opens a new window where you can locate and select one or more MP4 files for upload.

How to Convert MP4 to WebM with Zero Quality Loss?

Step 2 Select output and edit

Once you’ve completed uploading your MP4 files, click on “format” button and select WebM as the desires output. You can also make edits to your video before converting it.

How to Convert MP4 to WebM with Zero Quality Loss?

Step 3 Convert the file from MP4 to WebM

After you’re satisfied that your output video is well edited, click on the convert button. This process can take a few minutes to complete.

How to Convert MP4 to WebM with Zero Quality Loss?

Part 3. Online MP4 to WebM Converter

There are many online MP4 to WebM converters to convert your MP4 to WebM files free. Online UniConverter (originally is one of the best converters which can convert 2 files at one time and the maximum size is 100MB which is larger than the general online tools with the maximum of 50MB. Without installing any third-party software, you can use it as soon as you want by clicking this free online video converter. It converts videos from MP4 to WebM and other regular audio and video formats.

wondershare online free video converter

If you want to get the best video output quality and the fastest conversion speed? UniConverter (originally Wondershare Video Converter Ultimate) is the most reliable video conversion tool for you. Just try it below.

Part 4. Choose MP4 to WebM Video Converter That's Right for You

  Online MP4 to WebM Video Converter Free MP4 to WebM Video Converter Best MP4 to WebM Video Converter 
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Part 5. Extended Knowledge for WebM and MP4 Video Formats

Here is a table providing more information regarding the MP4 and WebM video formats

File Extension WebM MP4

Video File

Video File
Description WebM is a video file format. Its development was sponsored by Google and is intended to provide a royalty free video format that can be played on web browsers.

MP4 is a container file. It enables different types of multimedia like video, audio and images to be stored within a single file.

Associated Programs

Modern Browsers that support HTML5

Windows Media Player
Apple iTunes
VLC Media Player

Developed by

Initially On2, Xiph, and Matroska; later Google.

Moving Picture Experts Group
Useful Links

About WebM
Details for WebM
Introduction To WebM File Structure

Details for MP4 on Wikipedia
How to Convert and Burn MP4 to DVD
How to Play MP4 on TV

Christine Smith

Christine Smith

chief Editor

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