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A media-processing example you can repeat
Checked September 9, 2026 using Mediaivo's processing functions and ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers. The source is an original synthetic test chart, with no personal data or third-party footage. Video is silent and three seconds long.
Settings: Convert to: WebM
Download input · Download reference output · Measurements and method
| Measurement | Input | Output |
|---|---|---|
| Bytes | 2334407 | 963558 |
| Pixels | 1280 × 720 | 1280 × 720 |
| Video/image codec | h264 | vp9 |
The output is a WebM container with VP9 video. A new extension alone is not conversion; check the codec reported below and try playback in the intended browser.
How to Convert a Video to MP4, WebM or MOV
Choose the right video format for sharing, websites or editing, then convert it without unnecessary quality loss.
How to use Convert Video
- Choose a playable source and select MP4, WebM or MOV.
- MP4 and MOV use H.264; WebM uses VP9. Conversion re-encodes the video and may change quality and size.
- Download the new file and test it in the application that will receive it. Check codec and dimensions in Metadata Viewer.
About this tool
Convert videos to MP4, WebM or MOV. Mediaivo keeps the workflow deliberately focused so you can finish one task without learning a full editing suite.
Need more context? Read How to Convert a Video to MP4, WebM or MOV for practical settings, checks and trade-offs.