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WMV to MP4Converter — Fast & Free Online

WMV to MP4 converts Windows Media Video (.wmv) into MP4 (H.264/AAC) for broader playback, often with smaller files while keeping video usable.

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Supports all major formats

Up to 50 MB (free)BATCH SUPPORT
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1CONVERTER Media Team·Audio & Video Specialists·
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How WMV to MP4 Conversion Works

The Windows Media Video format stores video encoded with the proprietary VC-1 or WMV codec in a Microsoft ASF container, primarily a Windows ecosystem format. Converting to MP4 produces a video file that packages H.264 or H.265 video with AAC audio in a container format widely supported across every platform and device. This conversion changes the file's encoding, compression method, and supported feature set. When the source codecs already match the target container the streams are copied without re-encoding (zero quality loss); otherwise the video is re-encoded at a configurable quality. This makes MP4 the practical choice when the destination system requires it or when the target format offers better compatibility or compression. 1converter runs this conversion on the server: your file is uploaded encrypted over HTTPS, converted using trusted open-source libraries, and the output is held for 24 hours before automatic deletion.

How to Convert WMV to MP4

Follow these simple steps to convert your WMV files to MP4 format in seconds

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Step 1

Upload your .wmv file to the converter

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Step 2

Choose MP4 as the output format (optionally adjust resolution/quality if available)

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Step 3

Start the conversion and wait for processing to finish

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Step 4

Download the resulting .mp4 file to your device

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Step 5

Test playback in your target player to confirm audio/video sync

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Average conversion time: Less than 2 minutes

Visual Conversion Preview

wmv

Source file

Size:2.4 MB
Format:WMV
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Converting...

mp4

Output file

This visualization shows the typical conversion process from WMV to MP4 format, including expected size reduction and quality retention.

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Choose Your Conversion Quality

Select the perfect balance between quality and file size for your WMV to MP4 conversion

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Low Quality

Smallest file, basic quality

File Size:Very Small
Speed:Very Fast
Quality Level
Recommended
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Medium Quality

Balanced size and quality

File Size:Medium
Speed:Fast
Quality Level
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High Quality

Larger file, great quality

File Size:Large
Speed:Moderate
Quality Level
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Maximum Quality

Largest file, best possible quality

File Size:Very Large
Speed:Slow
Quality Level

tips_and_updatesQuality Selection Tips

When to use Low/Medium:

  • •Web uploads and social media sharing
  • •Email attachments with size limits
  • •Quick previews and thumbnails

When to use High/Maximum:

  • •Professional printing and publishing
  • •Archive and long-term storage
  • •When quality is more important than size

Video Tip: Medium quality is ideal for web streaming. Use High or Maximum for videos you plan to edit further or archive.

Why Convert WMV to MP4?

Discover the advantages of converting your WMV files to MP4 format

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Improves compatibility with phones, browsers, and most media players using MP4 containers

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Enables easier sharing because MP4 is widely supported across platforms and apps

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Often reduces file size versus WMV by using modern H.264 video encoding in MP4

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Keeps audio in a common MP4-friendly format (typically AAC) for smoother playback

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Preserves the original frame timing better for smooth streaming and editing workflows

Additional Features

169+
Supported Formats
<2 min
Average Time
24/7
Available
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Popular Use Cases

See how professionals use our WMV to MP4 converter in real-world scenarios

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Convert recorded WMV training videos to MP4 for uploading to websites and LMS systems

Convert WMV to MP4 for this purpose quickly and easily.

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Turn WMV camcorder captures into MP4 for editing in common NLEs and timeline tools

Convert WMV to MP4 for this purpose quickly and easily.

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3

Make WMV lecture recordings play reliably on mobile devices that don’t support WMV

Convert WMV to MP4 for this purpose quickly and easily.

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4

Convert archived WMV clips to MP4 so you can store and share them long-term

Convert WMV to MP4 for this purpose quickly and easily.

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5

Prepare WMV video for social media exports that expect MP4 containers

Convert WMV to MP4 for this purpose quickly and easily.

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Trusted by Professionals In

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Frequently Asked Questions

Everything you need to know about converting WMV to MP4

It may improve perceived quality if the MP4 uses efficient H.264 settings, but conversion is typically a re-encode, so extreme quality gains aren’t guaranteed. The result usually depends on the WMV’s original bitrate and your chosen MP4 quality.
Yes—WMV is usually encoded with Windows Media codecs, while MP4 commonly uses H.264 video and AAC audio. This difference is why MP4 often achieves better compression at similar visual quality.
Most WMV files contain audio that can be mapped into MP4, typically into AAC inside the MP4 container. If the WMV has unusual codecs, the converter may need to transcode audio to ensure compatibility.
MP4 is supported by far more devices and software for playback and editing, while WMV support is more limited. Converting to MP4 usually reduces playback issues caused by missing WMV codecs.

Still Have Questions?

Our support team is here to help you with any questions about WMV to MP4 conversion.

Contact SupportView All FAQs
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