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Welcome to the File Converter

Upload your file to start converting. Choose a file from your device or use a remote file link.

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}
Output:
Add ${items.length} files

How to Convert M4a to SPX?

  1. Click the “Choose M4A Files” button and select your M4A file
  2. Click on the “Convert” button to start the conversion
  3. When the status changes to “Done”, click the "Download SPX" button

Convert Any M4A to SPX

This tool supports converting many types of M4a to SPX. Convert MP3, AAC, WAV, FLAC, AIFF, OGG, WMA, OPUS, AC3, DTS to SPX.

Best M4a Converter

Convert your M4a with perfect quality, size, and compression. Plus, you can also batch convert M4a using this tool.

Free & Secure

Our M4a Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.

M4A is an audio container format developed by Apple, based on the MPEG-4 standard. Widely used for high-quality audio storage, iOS devices, and the iTunes platform. M4A files typically use AAC or ALAC encoding, providing efficient compression and high-quality audio output. Supports multi-format conversion via FFmpeg and is compatible with various players and editing tools. M4A format is ideal for both lossless and lossy audio, suitable for music, podcasts, and other audio content distribution.

How to open and play an M4A file?

M4A files can be opened using various tools. The most popular choices include: - Players: [iTunes](https://www.apple.com/itunes/) (for macOS and Windows), [VLC](https://www.videolan.org/), [Windows Media Player](https://support.microsoft.com/) - Editing and conversion tools: [Audacity](https://www.audacityteam.org/), [FFmpeg](https://ffmpeg.org/), [Online Audio Converter](https://online-audio-converter.com/) On iOS devices, you can sync M4A files directly through iTunes or iCloud for playback. Regardless of the tool you choose, the process is straightforward: simply double-click the file or right-click and select 'Open'. If you need to convert an M4A file to another format, FFmpeg provides powerful command-line tools, such as `ffmpeg -i input.m4a output.mp3`. It is recommended to choose appropriate encoding parameters during editing and saving for optimal audio quality.

Your Data, Our Priority

At AllConverter, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.

Learn more about our commitment to security

SSL/TLS Encryption
Secured Data Centers
Access Control and Authentication
Firewall & IDS/IPS