Be Converter
Video Converter

WebM to MP4 Converter

Convert WebM videos to MP4 format for universal compatibility across all devices and platforms. Free and instant.

Select WebM Video

Drop your WebM video here for MP4 conversion

or drag file here

Maximum 50MB • 1 file at a time

Related Conversions

MP4 → WEBM
MP4 → GIF
MOV → MP4
AVI → MP4
MKV → MP4
MOV → JPEG

Related Tools

MP4 to WebM Converter

Convert MP4 videos to WebM format for web-optimised playback and smaller file si...

MP4 to GIF Converter

Convert MP4 video clips to animated GIF images with optimized palette quality Fa...

MOV to MP4 Converter

Convert MOV (QuickTime) video files to MP4 format for universal playback Fast in...

AVI to MP4 Converter

Convert AVI video files to MP4 format for modern playback and streaming Fast in...

MKV to MP4 Converter

Convert MKV (Matroska) video files to MP4 format for broader compatibility Fast...

MOV to MP4 Converter

Convert MOV (QuickTime) video files to MP4 format for universal playback Fast in...

How to Use

  1. 1

    Upload WebM Video

    Click the upload button or drag & drop your WebM video file

  2. 2

    Wait for Processing

    Conversion starts automatically with real-time progress tracking

  3. 3

    Preview Result

    Preview the MP4 video before downloading to verify quality

  4. 4

    Download MP4

    Click "Download" to save your converted MP4 video file

Why Use Be Converter?

Browser-Based Processing

Convert WebM to MP4 entirely in your browser. No uploads, no waiting for server processing

Quality Preserved

H.264 encoding ensures your video quality is maintained during the format conversion

Fast Conversion

Hardware-accelerated processing converts your WebM videos to MP4 in seconds

Privacy & Security

All processing happens locally in your browser. Videos never uploaded to any server

No Watermarks

Clean MP4 output with no watermarks, branding, or quality restrictions

Free & Unlimited

No registration required. Unlimited conversions. Completely free forever

Frequently Asked Questions

Why convert WebM to MP4?
MP4 with H.264 codec is the most universally supported video format across all devices, operating systems, and social media platforms. Converting WebM to MP4 ensures your video plays everywhere without compatibility issues.
Will converting WebM to MP4 increase file size?
MP4 files may be slightly larger than WebM at equivalent quality due to different compression algorithms. However, the difference is usually minimal and the universal compatibility of MP4 often outweighs the small size increase.
Does WebM to MP4 conversion lose quality?
Our converter uses high-quality H.264 encoding to minimize quality loss. The visual difference is typically negligible. You can adjust quality settings to prioritize either file size or visual fidelity.
What is the maximum file size?
You can convert WebM videos up to 50MB in size. For larger videos, we recommend trimming the video first or using a lower resolution source.
Are my videos safe and private?
Absolutely! All WebM to MP4 conversion happens locally in your web browser. Your videos never upload to any server. Once you close the page, all data is permanently deleted.

About WebM to MP4 Converter

Our professional WebM to MP4 converter helps you make your videos universally compatible. MP4 with H.264 codec is supported by virtually every device, player, and platform, making it the safest choice for sharing and distribution. Free, instant, and works entirely in your browser.

Expert Tips for WebM to MP4 Conversion

  • Always convert WebM to MP4 before uploading to social media platforms for guaranteed compatibility
  • Use H.264 High Profile for best quality-to-size ratio when converting for general use
  • MP4 is required for iMovie, Final Cut Pro, and most mobile video editing apps
  • Convert WebM screen recordings to MP4 before sharing to ensure recipients can play them
  • Use H.264 Baseline Profile if you need maximum compatibility with older devices and players