M4A to SPX Converter

Convert M4A to SPX online quickly and easily. Just upload your file, convert it, and download the SPX in seconds.

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What is M4A ?

M4A is an audio file format that is commonly used for storing music and other audio data. It is based on the MPEG-4 container format and typically employs AAC (Advanced Audio Codec) for compression, providing high sound quality at smaller file sizes.

M4A format  ▶

What is SPX ?

SPX is a file format used primarily for storing audio data, particularly in the context of compressed audio streams. It is often associated with the Speex codec, which is designed for efficient voice data compression.

SPX format  ▶

How to Convert M4A to SPX in Just a Few Steps

  1. Upload your M4A file
    Drag and drop your M4A file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose SPX as output format
    The converter is preset to SPX, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.

Start converting M4A to SPX now — it’s fast, safe, and completely online!