5 Best WebM Recorder Software for Windows 10/8/7 and Mac OS X

October 24, 2021Ashley Mae

To record screen, you need a screen recorder, screen recording software or screen capture app online. Some of them just offer the screen recording feature, but others make recording editing possible too. WebM is the video file format for HTML5. This post shares you top 5 WebM recorders to help you capture online HTML5 videos, or save screen recordings in WebM for uploading to web page.

WEBM Recorder

Part 1: Top 3 WebM Recorders on Desktop

Top 1: Aiseesoft Screen Recorder

Aiseesoft Screen Recorder appears on the top of the list partly because it designs pro-level features in the way that everyone can learn without technical skill. More importantly, it generates high quality videos.

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  • Record screen with audio.
  • Support multiple sources.
  • Export screen recording in WebM.
  • Enhance video quality.


  • It requires installing on hard disk.

How to Record Screen in WebM

Step 1: Install WebM recorder
Start the best WebM recorder once you install it on your PC. There is another version for Mac. The initial interface allows you to enter the video recording mode. Now, you can click the menu icon to open the Preferences dialog, and set video format as WebM.
Select Video Recorder
Step 2: Record screen
Enable Display option and set the recording region, like Full screen or Custom area. Turn on System Sound and modify the volume. The Webcam and Microphone will add your face and voice to the recording. You can decide whether to enable them or not. Click the REC button to begin recording screen.
Video Recorder
Step 3: Save in WebM
When screen recording is done, click the Stop button. A few seconds later, the preview window will pop up. Play the video and click the Folder icon to save the video if you are satisfied. The Clip feature allows you to remove unwanted frames.

Top 2: ScreenToGif

Screentogif Screenshot

ScreenToGif is a free WebM recorder. It allows you to record everything on your screen as animated GIF or video, like WebM, MP4, etc. Besides, it is able to record video through webcam and more.


  • 1.Record screen, webcam and board.
  • 2.Portable and not require installation.
  • 3.Include a video editor.
  • 4.Save each frame as image.


  • 1.The configuration is complicated.
  • 2.The interface looks outdated.

Top 3: ShareX

Sharex Screenshot

ShareX is an open-source WebM recorder, so everyone can use it for free. It contains a lot of useful tools including scroll recording webpages. You can share the recording to social media directly.


  • 1.Completely free of charge.
  • 2.Record any area of screen.
  • 3.Support MP4, AVI, WebM and GIF.
  • 4.Take schedules of recording.


  • 1.It is a bit difficult to learn.
  • 2.The video editor is simplistic.

Part 2: Top 2 WebM Recorders Online

Top 1: Aiseesoft Free Screen Recorder

Sometimes, it is not convenient to install WebM recorder software. Aiseesoft Free Screen Recorder is a good alternative. It works online for free. Plus, there is not any limitation or signup requirement.


  • 1.Free to use.
  • 2.Record screen online.
  • 3.Available to online videos.
  • 4.No watermark or length limit.


  • 1.You cannot edit recordings.

How to Record WebM Online

Step 1.
Access https://www.aiseesoft.com/free-online-screen-recorder/ in a browser. Click the Start Recording to open the launcher.
Start Recording
Step 2.
There are four options, Recording area, Camera, Speaker, and Microphone, on the launcher. Turn on or off each option accordingly. Hit REC button to initiate recording screen.
Screen Recorder Interface
Step 3.
Wait for recording to finish and click the Stop button. Next, download the WebM recording to your computer.

Top 2: Screencast-O-Matic

Screencast O Matic

Screencast-O-Matic is an online WebM recorder that has been around for years. After you open the launcher, you can set the recording source, output quality and more. It does not ask you to sign-up.


  • 1.Record screen for free.
  • 2.Support both system sound and narration.
  • 3.Capture video via webcam.


  • 1.It is only able to record up to 15 minutes.

Related: Best Alternative to Screencast-O-Matic

FAQs about WebM Recorder

Is WebM a good screen recording format?

WebM was designed for HTML5 webpages. If you intend to embed a screen recording to HTML5, WebM is a good output format. If not, you'd better look for another format.

How to record WebM videos?

There are a lot of video recorders able to capture WebM videos. All the top WebM recorders shared above are able to meet your need.

Can I record HTML5 videos?

Yes, but you need a video recorder to capture WebM videos or other format on HTML5 webpages.


Now, you should learn at least top 5 best WebM recorders on desktop and online. They can record WebM videos online or on your hard drive. Some of them are able to save screen recordings in WebM files, such as Aiseesoft Screen Recorder. More questions? Please feel free to leave a message below.

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Screen Recorder box

Aiseesoft Screen Recorder is the best screen recording software to capture any activity like online videos, webcam calls, game on Windows/Mac.

Free DownloadFor Windows

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Free DownloadFor macOS

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