Free WebM to MP4 Converter No Watermark

Convert WebM to MP4 instantly in your browser. Secure, Private, and Fast.

Why is this the best WebM Converter?

Private & Secure

We use client-side technology. Your videos are processed locally and never uploaded to a server.

Fast Conversion

Skip the upload wait time. Convert large files instantly.

Free Forever

No file size limits, no watermarks, no registration needed.

Browser-Based Processing

Select your file, choose MP4, and download. Our engine uses your device's processing power to ensure the highest quality conversion without the privacy risks of cloud converters.

Supports All Major Formats

Convert WebM, AVI, MKV, MOV, and FLV to MP4. Compatible with iPhone, Android, Windows, and Mac.

WebM → MP4 AVI → MP4 MKV → MP4 MOV → MP4 FLV → MP4