MP4 to WebM Converter

Convert MP4 videos to WebM format directly in your browser

Background cloudBackground cloud

MP4 to WEBM Converter

Drag and drop your MP4 file here

or click to browse (max 500MB)

Loading conversion engine...

This converter works entirely in your browser. Your files are never uploaded to any server.

The conversion is performed using FFmpeg, which runs locally on your device.

Features

Our free online converter offers several advantages over other conversion services:

1

100% Private

Your files never leave your device. All processing happens right in your browser.

2

No Installation Required

No need to download or install any software. Just open the page and start converting.

3

High Quality Conversion

We use industry-standard FFmpeg technology to ensure high-quality conversion results.

Frequently Asked Questions

How does the MP4 to WebM converter work?

Our converter uses WebAssembly to run FFmpeg directly in your browser. When you upload an MP4 file, it gets processed locally on your device and converted to WebM format without ever being sent to a server.

Is there a file size limit?

Yes, currently we limit file sizes to 500MB to ensure smooth performance in the browser. For larger files, you might need to use a desktop application.

Why convert to WebM format?

WebM is an excellent format for web videos, offering good compression with high quality. It's well-supported by modern browsers and uses less bandwidth than many other formats.
Footer Cloud
Footer Cloud

Cap is the open source Loom alternative

Record, edit, and share video messages with Cap. 100% open source and privacy focused.