App: Pocket Audio Extractor
Developer: Shu Kyogoku
Genres: Music, Productivity

Pocket Audio Extractor allows you to easily extract audio from your videos with no loss in audio quality. You can use this app on any Mac, iPad, or iPhone devices by purchasing only once.

Features

Fast and easy to use
• The simple user interface.
• Instantly extract audio in Share Sheet from any app.
• Processes files quickly with multi-threading.

Lossless extraction
• Extract the existing audio track and place it into a new container, preserving the original audio quality without re-encoding.

Protect your privacy
• All processing happens entirely on your device, ensuring that no identifying user information is sent off the device in an identifiable way.
• No Ad Tracking.

Supported Video File Formats:
 - MP4 (.mp4, .m4v)
 - QuickTime (.mov)
 - FLV (.flv)
 - F4V (.f4v)
 - 3GPP (.3gp, .3gpp)
 - WebM (.webm)

 Supported Audio Codecs:
 - aac
 - alac
 - a-law
 - ac3
 - eac3
 - lpcm
 - mp3
 - opus
 - μ-law

Note:
This app does not perform "conversion" of codec (re-encoding). The resulting file format is constrained by the original audio codec and will automatically select a format suitable for playback on Apple devices.

Release notes: