How to Add an Audio Track to WebM Video?

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(4-Step) How to Add Audio to WebM Effectively?

1. Import a .webm Video

2. Select WebM Format

3. Insert Audio to the Video

4. Export Final Video

Q1: How to concat the mp3 file and WebM file into a new WebM file?
Q2: Can I merge WAV audio and WEBM video together?
Q3: There is a WebM file that contains no audio. I want to merge an audio file with this video. Any help?

A: In fact, it’s not difficult to add a new audio track to a video file with the help of the audio-adding software. However, many people received an error message after merging audio with their WEBM videos. That’s because WebM uses Vorbis and Opus audio codecs. If you put MP3, WAV, or other audio files into WebM, the audio will definitely be invalid.

So how to add audio to WebM video effectively? Easy! The powerful audio and video merging software - WonderFox HD Video Converter Factory Pro, can help you add a new audio track without effort, be it MP3, M4A, WAV, FLAC, AAC, or OGG. Read the following to learn how to add sound to WebM.

How to Add Audio Track to WebM Effectively?

HD Video Converter Factory Pro is an all-in-one video converter to deal with kinds of video/audio conversion, editing, downloading, and recording tasks. It enables you to add music to WebM and other video files that have no sound with simple clicks. And this software will smartly change the audio format to Vorbis/Opus for WebM output files. With the support for hardware acceleration, you can finish the process at lightning-fast speed.

Note. In case the audio and video are out of sync, make sure the audio and video files are the same length.

Now, free downloadfree download the software and follow the guide to add sound to WebM video.

Step 1. Import WebM File

Start HD Video Converter Factory Pro. Choose Converter from the five function modules. Click Add Files to import the WebM video that has no audio track. Or you can drag and drop the video into the blank area of the main interface.

Step 2. Select WebM

Click the format image on the right side of the converter. Go ahead to Web and choose WebM as the output format.

If you have different ideas, you can choose other web or video formats and devices, such as MP4, MKV, MOV (which support multiple audio tracks), iPhone, Samsung, Huawei, etc.

Step 3. Add Audio to WebM

Click the "+" button on the right side of the sound icon. Select an audio file and click "Open" to add it to the program.

Hot search: Add an Audio Track to MKV 丨 Add Audio to QuickTime Video

Step 4. Export Final Video

Press the inverted triangle button to set an output folder. Then hit the Run button to add sound to WebM. When the process is over, a new window with the output file will pop up. Then you can enjoy the video with sound freely.

At Last...

That’s all I want to share with you about how to add audio to WebM video easily and efficiently. Hopefully, this article could be helpful to you. Thanks for reading!