Video Converter

Convert video between MP4 and WebM, fully in your browser.

100% private — no uploads Video & Audio ToolsFree & unlimited Read tutorial

See how it works

Watch a quick simulation of this tool in action — no file needed.

Convert between MP4 and WebM

Visual demo. The real tool processes your actual file locally in the browser.

How to use Video Converter

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Drop a video file (MP4, WebM, MOV).

  2. 2

    Step 2. Choose the target format - MP4 or WebM.

  3. 3

    Step 3. Click Convert - the video plays and is re-recorded in the new format.

  4. 4

    Step 4. Preview and download the converted file.

Why use this tool

Private by design

All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.

Instant

No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.

Free & unlimited

No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.

Works everywhere

Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.

Frequently asked questions

Everything you might want to know about video converter.

Want to learn more?

Read our complete Video Converter tutorial with tips, use cases, and FAQs.