Browser-Compatible Output
Uses the reviewed WebM Beta profile.
MP4 → WebMPrivate file processing
Convert MP4 to WebMBeta
Convert a supported MP4 video to browser-compatible WebM Beta output with audio retained by default.
MP4WebM
Ready to Convert MP4 to WebM?
Paid-plan access is checked before a video can be uploaded.
Checking video access…
Key Characteristics
Up to 1080p
Larger video is downscaled without upscaling smaller sources.
Twenty-Four-Hour Retention
Saved videos and links expire after 24 hours on Plus or 48 hours on Pro.
About This Operation
What to Expect
Create a WebM copy from a supported MP4 source. Video Conversion is a paid-plan Beta feature.
Output is limited to 1920×1080, preserves aspect ratio and retains one supported audio stream unless Remove Audio is selected.
Supported input
One valid MP4 video up to 250 MB on Plus or 500 MB on Pro and 15 minutes. DRM-protected, encrypted, malformed and excessive-stream files are rejected.
Output
WebM output using the centralized Beta codec profile. Results can vary with source codecs and media structure.
Simple Workflow
How It Works
- Step 1
Upload Your MP4
Choose one supported video after paid access is confirmed.
- Step 2
Choose Your WebM Settings
Review the WebM output name and optional Remove Audio setting.
- Step 3
Convert & Download
Convert, then view, download, copy a link or send the result before it expires.
Useful Details
Video Processing Details
- Source limit
- 250 MB Plus / 500 MB Pro; 15 minutes
- Output size
- Maximum 1920×1080; never upscaled
- Audio
- Retained by default; optional removal
- Availability
- Plus: 60 minutes / Pro: 180 minutes monthly
Useful For
- Browser-compatible playback
- Changing video containers
- Preparing a shareable copy
Important limitations
- Maximum 15-minute source
- Maximum 1080p output
- No DRM or encrypted media
Quality Behavior
Video transcoding is lossy; exact quality, color and timing preservation is not guaranteed.
Transparency
Video alpha-channel preservation is not promised.
Animation and Interactivity
Animated-image formats are not accepted.
Metadata and Orientation
Unnecessary metadata and chapters are removed. Video files and links expire after 24 hours on Plus or 48 hours on Pro.
Built Around Your Files and Privacy
Your Files, Handled with Care
Checked Before Processing
Convert It checks uploaded files against the expected format before processing so invalid or unsupported files can be stopped early.
Your Files Stay Yours
You keep your rights to the files you upload and the converted files you create. Only upload content you have permission to use.
Private, Temporary Processing
Source files are handled in private temporary storage, while converted files follow the retention period for your visitor or account level.
Helpful Answers