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WMV to M4A

Free Online WMV to M4A Converter – Batch Convert, Cut, and Compress Videos, Audio & Images

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This tool converts WMV to M4A completely free and without any functional limitations. Since it is based on the browser API, the processing speed is the fastest because all files are processed locally on your device and are not uploaded to our server.
About WMV files
WMV (Windows Media Video) is a video file format developed by Microsoft, designed for efficient compression and smooth playback. It delivers good video quality with relatively small file sizes, making it suitable for online streaming and storage. WMV is widely supported on Windows platforms and compatible with many media players. It is commonly used for presentations, tutorials, and archived video content.
About M4A files
M4A (MPEG-4 Audio) is a high-quality audio format developed by Apple, based on the AAC (Advanced Audio Coding) standard. It offers better sound compression than MP3 while maintaining excellent audio quality, making it ideal for music and podcasts. M4A files are often used in iTunes and Apple devices, supporting lossy compression with smaller file sizes than MP3 at similar quality levels. Though less universal than MP3, it is widely supported on modern devices and media players.

Batch Convert WMV to M4A Online

With this convertor, you can easily convert multiple WMV files to M4A format directly in your browser — completely free. You can also customize the video resolution (width and height) during the conversion.

To access advanced settings, click the Options button in the top right corner. There, you can set the output size for your M4A files.

Additional Settings:

  • Output Dimension: Set the width and height for the output M4A file.
  • Encoding Speed:Controls how fast the video is encoded. Faster speeds may result in larger file sizes.
  • Video Bitrate:Set between 1–10,000 Kbps to control the video quality and file size.
  • Frame Rate:Defines the video’s FPS (frames per second). Higher frame rates produce larger files.
  • Audio Bitrate:Recommended range is 16–320 Kbps.
  • Cut Video: Trim the video using a start and end time in HH:MM:SS format. For example, setting 00:00:05 to 00:00:08 will cut a 3-second clip from the video or animation.

    • Before converting, you can choose a folder on your device where the converted M4A files will be saved. Each WMV file will be automatically saved to your selected folder after it's successfully converted — no manual downloads needed.

    Save All: Once all WMV files are converted, click Save All to instantly save all M4A files to your selected folder.