WebM to MP4 Converter

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How to Convert WebM to MP4 Online

1. Upload your WebM video

Click "Upload file" or drag and drop your WebM file directly into the converter
2. Choose MP4 as output

MP4 format is selected by default for universal compatibility. Adjust quality settings if needed
3. Download your MP4 file

Click "Convert" and download your video. Now playable on any device — iPhone, TV, anywhere!

Play on any device

MP4 with H.264 plays everywhere — iPhone, iPad, Android, smart TVs, Roku, Fire TV, PlayStation, Xbox, and every media player. No more "format not supported" errors.
Edit in any video software

Most video editors prefer MP4 over WebM. Convert your WebM files to edit in Premiere Pro, Final Cut Pro, DaVinci Resolve, iMovie, or any editing software.
No software installation

Convert WebM to MP4 directly in your browser — on desktop, laptop, tablet, or phone. 100% free, no registration required.

Find more tools to speed up video creation and boost quality.

WebM has limited device support — many TVs, iPhones, and media players can't play it. MP4 (H.264) is universally compatible and plays on virtually every device and platform.
Older iPhones and iPads have limited WebM support. Converting to MP4 ensures your videos play perfectly on all Apple devices, including AirPlay to Apple TV.
Yes! Our WebM to MP4 converter is completely free with no hidden fees. Convert unlimited files without watermarks or registration.
Our converter uses high-quality H.264 encoding to preserve video quality. You can also adjust bitrate settings if you need smaller files or maximum quality.
WebM files are common from web downloads, screen recording software, browser-based tools, and some video platforms. They're Google's open-source format used on YouTube internally.
Yes! Our converter works on all devices — iPhone, iPad, Android, Windows, and Mac. Just use your mobile browser to convert WebM to MP4.