If you're not a tech whiz and have no idea about how to concatenate some WebM video segments into a single and long video file, well, this article is just what you dream about. Two handy WebM mergers are put forward to help you get the hang of the skill to combine WebM files. No technical stuff required.

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Kevincy Kevincy | Updated on Apr 26, 2024

You Know What, WebM Video Merging Is Not That Difficult!

Due to the popularity of HTML5 video, a large number of video segments downloaded from some online sharing websites are saved in .webm format. To make a full video for smooth playback without gaps, it's inevitable to acquire the skill to combine WebM files.

However, quite a lot of people are hampered by the lack of video editing experience, elusive and complicated operation. Lucky you, I'll introduce two easy-to-use WebM joiners and present the detailed steps to join multiple .webm files into one.

Smart & All-purpose WebM Combiner

WonderFox HD Video Converter Factory Pro is an all-in-one video processing application that enables you to combine WebM files in only three steps with no difficulty. Additionally, this multipurpose program allows you to download WebM videos from YouTube and 1000+ popular websites. The built-in editing features help you to trim, merge, crop, rotate, watermark video as easy as pie. Download and install this functional video processor, you won't be disappointed.

Part 1 - Merge WebM Files with a Desktop Application

Without the need of costly editing program, professional skill, jargon and command line, you can simply combine WebM files in a few mouse-clicks using WonderFox HD Video Converter Factory Pro, which makes itself stood out from the competitors owing to the intuitive interface and self-explanatory features. Here's how it works to join your WebM files together.

More than a Simple WebM Merger
HD Video Converter Factory Pro
  • Merge WebM files and convert to 500+ configured presets.
  • Trim, merge, flip, crop, rotate, watermark video easily.
  • Record live streams, gameplay, video call, etc. with ease.
  • Download HD/FHD/UHD videos from 1000+ websites.
  • Modify video/audio parameters in an intuitive way.
  • Compress large videos with minimal quality loss.
  • Make animated GIFs from video or image sequence.
  • Add/extract subtitles, make a split-screen video and more...
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Compatible with Windows 11, 10, 8, 7, Vista Windows, 100% Clean!

Step 1 - Import All WebM Files

DownloadDownload, install, and launch the app. Open "Converter", click "Add Files" to import the .webm files you want to merge. Make sure you've added at least two or more WebM files for joining.

Alternatively, simply drag the files into the program. Then all video titles will be listed with basic information in the workplace. You're able to play each WebM file by pressing the Preview button on the left side.

Import WebM Files

Step 2 - Re-arrange WebM Files Sequence

To merge WebM files,

  • Open "Merge" window, and all imported WebM videos will appear in the Video List.
  • Click the middle Merge button to create an empty Pack 1, drag and drop videos from Video List section to Pack 1.
  • If possible, create multiple packs like Pack 2 or Pack 3.
  • Click the bottom Merge button to go back to the workplace.
WebM Merger

Step 3 - Merge WebM Files

Now the merged packs will be listed right there instead of scattered videos. Expand the output format list on the right side to select your preferred format from 500+ presets as you wish. Specify a destination directory to store the merged video files at the bottom. Lastly, hit Run button to start the WebM joining process.

When the process is complete, you're able to play and enjoy the full-length video smoothly.

BTW: This program also functions as a WebM player, WebM converter and a WebM downloader.

Join WebM Files

Part 2 - Combine WebM Files with Online Applications

Some online services also enable you to combine WebM files together without software installation. They are free and easy to use. If you have a few small .webm video clips downloaded and want to join them as a full-length video, the online solution is a better choice with no skill gap. I'll take Clideo Free WebM Joiner as an example below.

Step 1 - Add WebM Files

To merge WebM files, firstly, visit https://clideo.com/merge-webm, click on the big "Choose files" button, locate and select your WebM files to import to the online application. You can also import WebM files from Google Drive, Dropbox or an URL.

Online WebM Joiner

Step 2 - Adjust WebM Videos Order

After the uploading and preprocessing, you'll be led to a black editing webpage. Here you're able to arrange the video order, customize video aspect ratio, add audio and select output video format. When you're all set, hit the Merge button to start the WebM joining process.

Combine WebM Files

Step 3 - Merge WebM Files

It may take a while to complete the WebM combining and converting task. After done, you're able to download the merged video file to local drive.

Final Words...

These are the simplest methods to merge WebM files, especially for the green hands, without any technical requirement. Choose any one based on your actual need and situation. Sincerely hope this post can help you out. If there is much easier solution, don't hesitate to share with me.

Advanced Toolbox for Your Daily Video Processing Work
HD Video Converter Factory Pro

WonderFox HD Video Converter Factory Pro

1. Simplify video editing work beyond your expectation.

2. Download online video and music for backup.

3. Record live streams and capture screen activities.

4. Convert/Compress video to 500+ preset profiles.

5. Make GIFs, ringtones, and more...

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