Free & Instant

Convert WebM to MP4 Online — Free & Instant

Transform WebM video files to MP4 for maximum device compatibility.

Upload your file

Drag & drop your .webm file here, or browse
Multiple files supported

.WEBM.MP4

Maximum file size: 500 MB · Multiple files supported

100% private — files are processed in your browser, never uploaded

How It Works

WebM to MP4 in 4 Easy Steps

Convert WebM to MP4 in seconds — no sign-up, no upload, no catch.

  1. 1

    Upload WebM file

    Drop your .webm file or click Browse.

  2. 2

    MP4 auto-selected

    MP4 is pre-selected as the output format.

  3. 3

    Convert locally

    Your WebM video is converted to MP4 in your browser.

  4. 4

    Download MP4

    Save your MP4 video.

Use Cases

Why convert WebM to MP4?

  • Make WebM videos playable on all devices
  • Convert browser recordings to standard format
  • Prepare WebM clips for video editing

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FAQ

Frequently Asked Questions

MP4 is supported by virtually all devices and platforms. WebM is mainly for web use.