WebM to MP4 Converter

Convert your WebM videos and screen recordings to MP4 format with universal compatibility. Free and secure.

Drag and drop your WebM video here

Max file size 500MB. Free, no registration required.

How to Use

1

Upload your WebM file by clicking the upload area or drag and drop

2

Select your preferred output quality (high, medium, or low)

3

Click 'Convert' to transform your WebM to MP4 format

4

Download your converted MP4 video file

Why choose our converter?

Quality, speed, and security for all your conversions.

High-quality conversion

Precise file conversion without any loss of quality.

100% browser-based

Files never leave your device. All processing happens locally.

Works on all devices

Computer, tablet, or smartphone — any browser works.

Fast processing

Convert files in seconds with our optimized engine.

No registration

Start converting immediately. No sign-up needed.

Batch conversion

Convert multiple files at once to save time.

About This Tool

WebM is an open video format developed by Google, commonly used for web videos and screen recordings. While WebM works well in Chrome and Firefox, it can have compatibility issues with Safari, older devices, and many video editing apps. This free converter transforms your WebM files to MP4 — the most universally supported video format. All processing happens directly in your browser using WebAssembly technology for complete privacy.

Frequently Asked Questions

How do I convert WebM to MP4?
Upload your WebM file, select your preferred quality setting, click 'Convert', and download your MP4 file. The entire conversion happens in your browser.
Why should I convert WebM to MP4?
MP4 is the most universally compatible video format. While WebM works in most browsers, MP4 plays on virtually all devices, video players, social media platforms, and editing software.
Can I convert screen recordings from WebM to MP4?
Yes! Many screen recording tools save as WebM by default. This converter handles screen recordings perfectly, preserving quality while making them compatible with any video player.
Will I lose quality when converting WebM to MP4?
With our 'High' quality setting, quality loss is minimal. You can choose between high, medium, and low quality options to balance file size and quality based on your needs.
Is the WebM to MP4 conversion secure?
Yes! All conversion happens locally in your browser using FFmpeg WebAssembly. Your videos are never uploaded to any server, ensuring complete privacy.

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