Are you looking for a reliable WebM editor to edit your WebM videos quickly and easily? In this post, we are going to detail the top 8 best WebM video editors that you can use online or on your desktop computer, such as MiniTool MovieMaker.

How to edit WebM videos? In this quick guide, we’d like to introduce the top 8 best WebM editors. You can choose any of these online and offline tools.

Part 1. Best WebM Editors for Windows

MiniTool MovieMaker

If you are looking for a WebM editor for Windows 10, then you can try MiniTool MovieMaker. It is a 100% free and safe video editor that provides you with all the tools you need and it supports a wide range of image, audio, and video file formats.

With this free program, you can easily add transitions, effects, motions, text, as well as audio to video, trim video, split video, rotate video, flip video, reverse video, change video speed, etc. In addition, it even enables you to export your WebM video in other formats, such as MP4, GIF, MP3, etc.

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MiniTool MovieMaker

Key features:

  • Pre-made video templates
  • Tons of transitions, effects, and motions
  • Split, trim, and merge audio/video/GIF files
  • Add animated text to video
  • Change video/GIF speed
  • Rotate, flip and reverse, video/GIF
  • Fade in/out audio
  • Add music to videos
  • Color correction
  • Change video resolution

VSDC Free Video Editor

The next great WebM editor designed for Windows users is VSDC Free Video Editor. The program can handle high-resolution footage, including 4K UHD, 3D, and VR 360-degree videos. Besides, you can use it to change the format of your WebM video file.

If you need more advanced tools, just upgrade it to the Pro version. VSDC Pro allows you to use motion tracking, work with audio waveform, make use of video masking, stabilize shaky footage, record voice over, record computer screen, apply multi-color Chroma Key, etc.

Key features:

  • Quickly cut, split, crop, rotate and flip video
  • A large set of video and audio effects
  • Add sound to videos
  • Color correction
  • Edit 360-degree and 3D videos
  • Chroma key
  • Adjustable output video resolution, frame rate, and bitrate

Part 2. Best WebM Editors for Mac

OpenShot Video Editor

With various video formats support, OpenShot is a great choice for people who want to edit WebM videos on Mac computers. Unlike the several WebM editors mentioned above, it is a cross-platform video editing program compatible with Windows, Mac, and Linux.

In addition to basic video editing options such as resizing, rotating, cutting, and trimming, OpenShot is also equipped with a rich library of video effects and animations to help you make your WebM video look more beautiful and professional.

OpenShot Video Editor

Key features:

  • Unlimited tracks
  • Various video, audio, and image formats supported
  • Customizable title templates
  • Resize, trim, cut, and rotate videos
  • Reverse, slow down, and speed up videos
  • Render 3D animated titles and effects
  • Video transitions with real-time previews
  • Visualize audio files as waveforms
  • Audio mixing and editing
  • Chroma key


When it comes to the WebM editor for Mac computers, most people think of iMovie. iMovie is a video editing application developed by Apple Inc. for macOS and iOS devices. It has a simple drag-and-drop function and supports many video formats.

Using this software, you can quickly edit your WebM video, such as adding filters, changing video speed, replacing video backgrounds, etc. The biggest highlight of iMovie is that your WebM file will be stored in Apple’s cloud, which means you can edit it on iPhone, iPad, or Mac interchangeably.

Key features:

  • Crop, trim, rotate and join videos
  • Various video effects and transitions
  • HD and 4K video support
  • Change video speed
  • Video stabilization
  • Fade in/out music
  • Add subtitles to videos
  • Record voice over
  • Color correction
  • Green/blue screen

Part 3. Best Online WebM Editors

Using online video editing tools to edit WebM files is also a good choice, no need to download and install software on the PC, and it will not take up additional space. Here we collect 4 outstanding online WebM video editors.


FlexClip is a popular online video editor that lets you edit WebM files by trimming, flipping, changing video speed, adding music, text, transitions, filters, and watermarks. Besides, it allows you to adjust the aspect ratio of your WebM video for uploading to different social platforms.

The site also provides you with a huge stock of videos, music tracks, and images, as well as hundreds of professional templates. The most important thing is that the output video does not contain a watermark if you have not added it manually.


Key features:

  • 1,000+ pre-made templates
  • Add text, overlay, sticker, music, and watermark
  • Millions of royalty-free stock media
  • Record screen and webcam
  • Trim, rotate, and flip videos
  • Change video speed
  • Color grading
  • Adjust video aspect ratio


ClipChamp is another impressive online WebM editor. Its intuitive interface can help you complete your video editing within a few minutes. Aside from editing videos, the site also allows you to compress video, convert video, as well as record screen and webcam.

It offers a broad range of fully customizable video templates for you to choose from, and you can select different aspect ratios and use its stock media content to polish your WebM video. However, its free version only lets you export videos in 480p resolution.

Key features:

  • Customizable video templates
  • Multiple video aspect ratio options
  • Split, trim, flip, and rotate videos
  • Add logo, transition, overlay, filter, and text
  • Color correction
  • Change video speed
  • Apply picture-in-picture effect
  • Apply fade in/out
  • Record screen and webcam
  • Compress large video files
  • Convert video in a flash


WeVideo is an online video editor that can be used for business, education, and life. With it, you can not only create beautiful videos but also edit WebM videos as you wish. It provides a wide range of video editing options, but the tools you can use depend on the subscription plan you purchase.

It offers more than one million stock media in its professional plan and business plan. With the free version of WeVideo, you only have five minutes of publishing time per month, you cannot export videos with a resolution greater than 480p, and every video you create will be watermarked.


Key features:

  • Trim, split, rotate, and flip videos
  • Create with drag and drop templates
  • Create horizontal, square, and vertical videos
  • Make videos, GIFs, and podcasts
  • Color correction
  • Record your screen, webcam, and voiceover
  • Unlimited use of over 1 million pieces of stock media
  • Green screen
  • Slow motion
  • Remove unwanted portions of your clips


The last online WebM editor we’d like to introduce is InVideo. It is an online video creation platform that can be used by beginners and professionals. Just upload your WebM video to the site and then you can edit it, such as cropping, trimming, looping, etc.

InVideo also comes with a rich collection of thousands of ready-to-use templates and a lot of elements like stickers, shapes, overlays, and masks that can perfect your video projects. However, the free version of InVideo will put a watermark on the output videos.

Key features:

  • 3000+ pre-made video templates
  • Crop, trim, loop, and mute videos
  • Resize videos
  • Change video speed
  • Add music or voice over
  • Add logo and text
  • Various stickers, shapes, overlays, and masks
  • Automated text to speech
  • 1080p video downloads

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Part 4. How to Edit WebM Files?

Now, it’s time to learn how to edit a WebM video. Here, we take MiniTool MovieMaker as an example.

Step 1. Upload your WebM video

Free download, install and run MiniTool MovieMaker on your Windows PC. Shut down the pop-up window to enter the main interface. Click Import Media File to upload your WebM video, and then drag it onto the timeline.

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Step 2. Edit the video

  • Rotate video: Double-click on the video on the timeline and then select Flip Horizontal, Flip Vertical, Rotate 90° Clockwise, or Rotate 90° Anticlockwise.
  • Trim video: Hover your mouse over any edge of the video to get the trim icon, and then drag the icon forward or backward to trim the unwanted content.
  • Reverse video: Highlight the video on the timeline and click the fan icon to choose the Reverse option.
  • Change video speed: Select the video on the timeline and click the fan icon to select the Slow or Fast option.
  • Add text to video: Click the Text tab, choose your desired caption style, and then click + to add it to the text track. After that, enter your text and click OK.
  • Add music to video: Click the Music option under Media, and then import your local music file or use any of the stock music.

Step 3. Export the video

Tap on the Export button. Rename the file, specify the destination folder as well as adjust video resolution for the WebM file. Change the file format of the WebM file is also allowed here. Hit Export to start processing.

Bottom Line

The 8 best WebM editors are listed above. You can choose any or all to try. But remember that desktop video editing software is usually more stable than online tools. If you have any questions or suggestions when using MiniTool MovieMaker, feel free to contact us via [email protected] or share them in the comments section below.

WebM Editor FAQ

What is a WebM file?
WebM is an audiovisual media file format that is designed for the web and a WebM file is a video saved in the WebM format.
What program can open WebM files?
There are a lot of programs that can open WebM files, such as Free WEBM Player, ALLPlayer, VLC Media Player, KMPlayer, Miro, 5K Player, etc.
How to trim a WebM file?
  1. Navigate to Online Video Cutter on your browser.
  2. Click Open file to import your WebM file.
  3. Drag either or both ends of the slider to trim unwanted content.
  4. Hit Save to process the video.
How to merge multiple WebM files?
  1. Visit the Clideo site on your browser.
  2. Select the Merge tool.
  3. Click Choose files to upload your WebM files.
  4. Check the Crossfade option if needed.
  5. Hit the Merge button to start combining them.
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