Video Converter

Convert videos between MP4, WebM, MOV and MKV right in your browser — nothing is uploaded. Free online video converter powered by an on-device engine. No signup, no watermark, private and secure.

Drop a video here or click to browse

Convert between MP4, WebM, MOV and MKV.

How to use the Video Converter

  1. 1

    Drop in your video.

  2. 2

    Choose the output format.

  3. 3

    Click Convert — it runs on your device.

  4. 4

    Preview and download the result.

Frequently asked questions

Is my video uploaded?

No — conversion happens locally in your browser, so your file never leaves your device.

Which formats are supported?

Convert to MP4, WebM, MOV or MKV from most common input formats.

Why does the first conversion take longer?

It downloads the ~30 MB video engine once, then caches it for fast conversions afterwards.

Tips & discussion

Share a trick, ask a question, or help others get more out of this tool.

Log in to share a tip or ask a question.

Loading tips…