lookup> .adts

.ADTS·File Extension

ADTS AudioA .adts file is a ADTS Audio. It is an audio format used to store music, voice and sound effects, either lossy or lossless.

Extension.adts
File typeADTS Audio
MIME typeaudio/aac
CategoryAudio
Charset
Compressible

What is a .adts file?

A .adts file is a ADTS Audio. It is an audio format used to store music, voice and sound effects, either lossy or lossless.

In the mime-db registry it maps to audio/aac. When serving .adts over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to audio/aac — and is delivered over HTTP via the Content-Type header.

  • Use VLC or Windows Media Player to open and edit .adts files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

When served over HTTP, responses should set the following header:

Content-Type: audio/aac

Common software that reads/writes .adts:

VLCWindows Media PlayerAudacityQuickTime
.adtsextension of
format
ADTS Audioserved as
mime type
audio/aacsent via header
http header
  • Music and podcasts
  • Sound effects
  • Voice recordings
  • Open the file with VLC, make your changes and save.
  • Most editors preserve the original formatting and encoding — avoid changing the charset.
  • Create a new file and save it with the .adts extension, or export this format from VLC.

What programs can open .adts files?

Common options include VLC, Windows Media Player, Audacity. You can also open many of these files with built-in viewers or a browser.

How do I create a .adts file?

Create a new file in any text editor or the app that owns the format and save it with the .adts extension.

What is the relationship between .adts and the audio/aac MIME type?

audio/aac is the media type identifier used for .adts files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-08-18

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