MP3Tag

Edit tags for any audio file.
Keep your music library organized.
Features
Audio formats
MP3, OGG, OGA, FLAC, MPC, WV, SPX, OPUS, TTA, M4A, M4R, M4B, M4P, MP4, 3G2, M4V, WMA, ASF, AIF, AIFF, AFC, AIFC, WAV, APE, MOD, MODULE, NTS, WOW, S3M, IT, XM.
Batch Mode
Select several files and edit them like one file. Common metadata changing is fast and easy.
Album Covers
Change album covers and make your files look beauty.
Automatic Correction
You can find missed audio tags and automatically correct broken metadata.

Cloud Storages
Google Drive, Dropbox, OneDrive, Box, MEGA, Yandex.Disk, MediaFire, WebDAV, SMB, MyDrive, pCloud, HiDrive.
File Manager
You can manage files located on your cloud storage with built-in file manager.
Files App
You can edit audio files located on your device using open in place feature. No need to copy audio files from external application you can edit them directly.
Wi-Fi Drive
You can transfer audio files to your device using web browser on your computer.