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About WMV to MP4
Convert WMV to MP4
WMV to MP4 converts WMV files to MP4. WMV is a Windows Media video format that is mostly used by older Windows software. MP4 is the most widely supported video container, normally holding H.264 video and AAC audio.
What to know about WMV to MP4
The formats involved, when to use this conversion, and where it runs.
About WMV
WMV is a Windows Media video format that is mostly used by older Windows software.
About MP4
MP4 is the most widely supported video container, normally holding H.264 video and AAC audio.
Best for
Playing video on phones, browsers, smart TVs and social platforms.
Where it runs
Converted on our servers with FFmpeg. The file travels over HTTPS and is deleted automatically afterwards.
Works everywhere
Desktop, tablet, or mobile—use the same workflow on any device.
Free to use
Start converting for free with no account. Paid plans raise limits; see the Pricing page.
How WMV to MP4 works
What happens to your file from upload to download.
1
Upload your WMV file
The file type and size are checked before anything is processed, so unsupported files are rejected straight away.
2
Convert on our servers
The file is uploaded over HTTPS and converted to MP4 with FFmpeg.
3
Download the MP4 file
Save the result to your device. Copies on our servers are deleted automatically by a cleanup job.
More WMV and MP4 conversions
Other conversions available for these formats; search above to open them.
To MP4
GIF / AVI / MOV
→
Convert to
MP4
How to use WMV to MP4
Step-by-step instructions for this conversion.
01
Add your file
Add your WMV file by dragging it into the upload area or choosing it from your device.
02
Choose the output
Confirm MP4 as the output format.
03
Run the conversion
Start the conversion. The file is uploaded and converted on our servers while the progress bar updates.
04
Download and check
Download the MP4 file and check it before deleting the original.
Good to know: WMV to MP4
Differences between the two formats that affect the result.
01
The result is an MP4 with H.264 video (about 1.5 Mbps, using the fastest encoder preset) and 128 kbps AAC audio, which plays on practically every phone, browser and TV.
02
Video is always re-encoded rather than copied, so quality can drop slightly, especially on detailed or fast-moving footage. Keep the original if you may need to convert it again.
WMV to MP4
WMV to MP4 in a sentence
WMV to MP4 converts WMV files to MP4.
WMV to MP4
Best for
Playing video on phones, browsers, smart TVs and social platforms.
WMV to MP4
What to expect
You download a new MP4 file; your WMV file is not changed.
Private by design
This conversion runs on ToolzStack servers: your file is uploaded over HTTPS, converted, and kept only so that you can download the result. An automated cleanup job then deletes it (see the Privacy Policy for the current retention period).
HTTPS in transit
Auto-Delete
Privacy Policy
Encrypted in transit (HTTPS)
No registration required
No watermarks added
Large files supported within plan limits
Ready to use WMV to MP4?
Start a new conversion or jump to a related tool above.
FAQs for WMV to MP4
Common answers so you can keep moving.
What is the difference between WMV and MP4?
WMV is a Windows Media video format that is mostly used by older Windows software. MP4 is the most widely supported video container, normally holding H.264 video and AAC audio.
Will converting WMV to MP4 change quality?
Video is always re-encoded rather than copied, so quality can drop slightly, especially on detailed or fast-moving footage. Keep the original if you may need to convert it again.
Is my WMV file uploaded to a server?
This conversion runs on ToolzStack servers: your file is uploaded over HTTPS, converted, and kept only so that you can download the result. An automated cleanup job then deletes it (see the Privacy Policy for the current retention period).
My WMV file will not convert
Make sure the file really is WMV (renaming an extension does not change the format) and that it opens correctly on your device. Password-protected, DRM-protected or corrupted files are rejected. If the file is very large, try again with a smaller one.
The output does not look right
The result is an MP4 with H.264 video (about 1.5 Mbps, using the fastest encoder preset) and 128 kbps AAC audio, which plays on practically every phone, browser and TV.