Convert WebM to MP4
Free online WebM to MP4 converter — no signup, no watermark
Convert WebM (WebM (VP8/VP9)) files to MP4 (MPEG-4 Part 14) format online for free. Our WebM to MP4 converter runs entirely in your browser — just drag in your file, click convert, and download the result. No software to install, no account required, and your files stay private.
How to convert WebM to MP4 in 4 steps
- 1
Upload your WebM file
Drag and drop your WebM file into the converter, or click to browse from your device. We support files up to 2GB.
- 2
Choose MP4 as the output format
MP4 is pre-selected. Optionally adjust quality, resolution or bitrate if your file needs custom settings.
- 3
Convert WebM to MP4
Click the convert button. Our converter processes your WebM file and produces a high-quality MP4 output, usually in under a minute.
- 4
Download your MP4 file
Once conversion is complete, download your MP4 file. Your original WebM stays untouched and we delete uploaded files within an hour.
Why convert WebM to MP4?
WebM is a royalty-free, open video format developed by Google specifically for the web. It uses VP8 or VP9 codecs to deliver high-quality video at small file sizes, making it ideal for HTML5 video playback. MP4 is the most widely supported video container format, offering excellent compression with H.264 or H.265 codecs while preserving quality. It works on virtually every device, browser, and platform. Converting from WebM to MP4 is useful when you need streaming to youtube, vimeo and social media or want to take advantage of universal device and browser support.
Top reasons to switch to MP4
- Streaming to YouTube, Vimeo and social media
- Playback on smartphones and smart TVs
- Sharing video files online
- HTML5 web video embedding
WebM vs MP4: side-by-side
WebM
Pros
- + Open source and royalty-free
- + Excellent web compression
- + Native support in Chrome, Firefox, Edge
Cons
- − Limited support on iOS and Safari
- − Slower encoding than H.264
- − Less editing software support
MP4
Pros
- + Universal device and browser support
- + Excellent compression-to-quality ratio
- + Small file sizes
- + Supports subtitles and metadata
Cons
- − Lossy compression by default
- − Can require licensing for some codecs
WebM to MP4 — Frequently Asked Questions
Is converting WebM to MP4 free?
Is converting WebM to MP4 free?
Yes, our WebM to MP4 converter is 100% free. There are no hidden fees, no signups required, and no watermarks added to your converted MP4 files.
Will I lose quality converting WebM to MP4?
Will I lose quality converting WebM to MP4?
Our converter uses high-quality encoding settings to preserve as much of the original WebM quality as possible in the MP4 output. For lossless results, choose the "high quality" preset.
How long does WebM to MP4 conversion take?
How long does WebM to MP4 conversion take?
Most WebM files convert to MP4 in 30 seconds to a few minutes, depending on the file size, duration, and your internet connection. Larger files take longer.
Is it safe to upload my WebM file?
Is it safe to upload my WebM file?
Yes. All uploads use encrypted HTTPS connections, files are processed on isolated servers, and converted MP4 files are automatically deleted within one hour of conversion.
Can I convert WebM to MP4 on mobile?
Can I convert WebM to MP4 on mobile?
Absolutely. Our WebM to MP4 converter works in any modern browser on iPhone, Android, iPad, Windows, macOS and Linux — no app install required.
What's the maximum file size for WebM to MP4?
What's the maximum file size for WebM to MP4?
You can convert WebM files up to 2GB to MP4 for free. For larger files, contact us about our batch and premium options.
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