WebM to MP4 Converter
Convert WebM videos to MP4 for wider compatibility with phones, apps, editors, and upload forms.
Click to upload or drag and drop
WEBM — max 200MB
This webm to mp4 helps you prepare video files for playback, uploads, publishing, editing, and sharing. It supports common video formats such as MP4, WebM, MOV, and extracted MP3 audio and is ideal for share screen recordings from chrome or loom with anyone, upload browser-captured videos to platforms that require mp4 and edit webm files in video editors that only accept mp4.
Unlike other tools, ConvertWiki focuses on speed, simplicity, and privacy. Uploaded files are used only for the requested action and are removed after processing.
You can use this tool for:
- Share screen recordings from Chrome or Loom with anyone
- Upload browser-captured videos to platforms that require MP4
- Edit WebM files in video editors that only accept MP4
How to use this tool:
- Upload your file or paste your content into the tool.
- The tool will automatically process it.
- Download the result instantly — no account required.
Why use ConvertWiki?
Why convert WebM to MP4?
WebM is commonly produced by Chrome screen recordings and browser capture tools. Support varies by codec and app, and some editors, devices, or upload forms reject WebM files.
Converting WebM to MP4 with H.264 and AAC produces a file accepted by a broader range of playback, editing, and upload workflows.
Common uses
- Share screen recordings from Chrome or Loom with anyone.
- Upload browser-captured videos to platforms that require MP4.
- Edit WebM files in video editors that only accept MP4.
Frequently Asked Questions
Some re-encoding quality loss is unavoidable, but at CRF 23 (the default) it is not visible at normal viewing sizes.
Up to 200MB per file.
Some editors, devices, and upload forms reject particular WebM codecs. MP4 with H.264 and AAC is more broadly accepted.
Usually 30 seconds to 2 minutes depending on file size.
Yes, it is completely free with no signup required.