Skip to main content

Convert WEBM to MP4 — Free

Upload your WEBM file and get a MP4 in seconds. No account, no watermark.

No signup No watermark ~5–15 sec LibreOffice

Drop your WEBM file here

or click to browse — any size

WEBM MP4

How to convert WEBM to MP4

Convert your WEBM files to MP4 quickly and easily with BoltConverter. Our free online tool handles the conversion process server-side, ensuring your files are never stored after conversion. Get your videos ready for wider compatibility.

MP4 is a widely supported video format, perfect for sharing and playback on almost any device. BoltConverter makes it simple to transform your WEBM videos into MP4 without needing any software installation. Start converting now.

Upload Your WEBM File

Click the "Choose File" button to select the WEBM video you want to convert.

Start Conversion

After uploading, click the "Convert" button to begin the WEBM to MP4 conversion.

Wait for Processing

BoltConverter will process your file on our secure servers.

Download MP4

Once complete, click the "Download" button to save your new MP4 file.

Frequently asked questions

Is BoltConverter free to use?

Yes, BoltConverter is completely free for all users.

How long are my files stored on your servers?

Your uploaded and converted files are deleted immediately after conversion.

What is the maximum file size I can convert?

You can convert WEBM files up to 100 MB in size.

Will the output MP4 quality be good?

BoltConverter aims to maintain the original video quality during conversion.

Can I convert multiple WEBM files at once?

Currently, BoltConverter supports converting one WEBM file at a time.