MP4 to WebM
Convert MP4 video to WebM format
drag & drop a file anywhere · paste with Ctrl/⌘+V · max 500MB
How To MP4 to WebM
Follow along with the steps below
Step 1
Upload your MP4 file
Drag and drop your MP4 file into the box above, or click to choose it from your device.
Step 2
Convert to WebM
Our MP4 to WebM converter processes your file and prepares the WebM output for you.
Step 3
Download your WebM
Save the converted WebM file straight to your device — no watermark, no sign-up.
Need to turn a MP4 file into WebM? This free online MP4 to WebM converter handles it in seconds — no software to download, no watermark and no account required. Upload your MP4, let the tool do the work, and download a clean WebM file you can use right away.
Convert MP4 video to WebM format This free online MP4 to WebM converter lets you change MP4 files into WebM format in seconds — no software to install and no sign-up needed. It works on any device, and your files stay private. Convert MP4 to WebM as many times as you like, completely free.
What you can do with MP4 to WebM
- Open and share your content as WebM on devices or apps that do not support MP4
- Prepare WebM files for websites, email attachments, printing or long-term archiving
- Fix compatibility problems when a colleague, client or platform requires WebM
- Convert MP4 to WebM as often as you need, completely free and with no limits
MP4 and WebM are different file formats, each suited to different tasks. Converting MP4 to WebM lets you reuse the same content wherever WebM is expected, without recreating it from scratch. Our MP4 to WebM converter keeps the process simple and your data intact: upload, convert and download. Everything is processed securely and your files are removed automatically within one hour, so your information stays private.
Frequently Asked Questions
How do I convert MP4 to WebM?
Just upload your MP4 file above and our tool converts it to WebM automatically. When it finishes, download the WebM file.
Is the MP4 to WebM converter free?
Yes — converting MP4 to WebM is completely free with no limits and no account required.
Are my files kept private?
Your files are processed securely and automatically deleted within one hour. Many conversions even run directly in your browser.
Will converting MP4 to WebM reduce the quality?
Our converter is built to preserve as much quality as possible when changing MP4 to WebM. For most files any difference is hard to notice.
What is the difference between MP4 and WebM?
MP4 and WebM store data differently, which affects compatibility, file size and how each format is best used. Converting lets you pick whichever one fits the job in front of you.