Repair M4A

Select files to upload and repair:
Truncated M4A Audio
(max total file size 200 MB)
(confirm you agree to terms)
This audio tool will try to repair M4A audio files that cannot be played due to accidental truncation and corruption. It will extract and convert as much data from the damaged audio as possible. The tool provides two repair methods: "No Reference" and "Reference". Using the "No Reference" option, the tool can only repair single-channel (mono) or dual-channel (stereo) M4A audio, the truncated file must have complete metadata header information. Using the "Reference" option, you should provide a good audio as a reference file, this reference audio should be able to play normally and should come from the same device as the damaged audio, for example from the same mobile phone.
Please Note: do not overwrite the original file, save the generated file to another folder or disk. The file name of the converted file will end with "_fixed".
How To Use:
  1. Select a M4A audio file.
  2. Click button "Repair" to start upload your files.
  3. Once upload completed, converter will redirect a web page to show the repaired result.
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This tool cannot support encrypted or protected audio files.
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