Convert MP4 to WebM
Convert MP4 videos to WebM format for better web performance. Free online tool that reduces file size while maintaining visual quality.
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All files are converted in the browser and do not leave your device. Use the app for offline conversions.
Supported Conversions
3,742 total conversions across all formats
Direct conversions transform files in one step.
Multi-stage conversions use intermediate formats for complex transformations.
Same format conversions allow you to alter compression, quality, or other settings.
Audio Formats
435 conversions available
Video Formats
914 conversions available
Image Formats
892 conversions available
Document Formats
1501 conversions available
Why Convert MP4 to WEBM?
About MP4 Format
MP4 is the standard video format for most devices and platforms, but it's not always the most efficient option for web delivery where file size directly impacts loading times and user experience.
Benefits of WEBM Format
WebM is an open-source format optimized for web use that typically delivers smaller file sizes than MP4 at equivalent quality. It's ideal for websites and web applications where performance and bandwidth efficiency are critical.
When you normally Google "mp4 to webm" ↓
Lost privacy with tools that send your files to unknown servers
Frustration when a file format isn't supported
Confusion dealing with complicated command-line tools
Risk of exposing sensitive files during conversions
Overwhelm from managing multiple tools for different file types
= Too many headaches with traditional file converters
🤕
There's an easier way
Great app! Finally something local to convert from anything into anything else, instead of every time going to google "convert x into y online".
Sergiy Horef (Mizyigres)
Convert Files Locally on Your Computer
Tired of uploading files to sketchy online converters? Fed up with command line tools?
- ✓3,093+ conversions for video, audio, image & documents
- ✓100% private - files never leave your computer
- ✓1,077+ users converting files offline
How to ConvertDesktop app for Mac, Windows & Linux
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