KGM to M4R Converter

KGM is converted locally to an M4R ringtone (~40s) ready for iPhone. Conversion happens privately in-browser.

Settings

Output Format

Drag audio files in, or click to browse

Supports .KGM, .KGMA, .VPR, .NCM, .MP3, .WAV, .FLAC, .OGG, .M4A, .M4R, .APE, .MP4 formats

Maximum size 100 MB (mobile) / 300 MB (desktop), multiple files can be converted simultaneously

About KGM

KuGou Music proprietary format

KGM is a proprietary format used by KuGou Music and cannot be played directly. This tool converts it in your browser to a common audio format.

  • Auto-converts to common formats
  • Proprietary format, must be converted first

About M4R

iPhone ringtone format

M4R is the ringtone format used by iPhone, essentially AAC audio limited to around 40 seconds, suited for creating custom ringtones.

  • Usable directly as an iPhone ringtone
  • Length-limited and single-purpose

KGM to M4R FAQ

Will converting KGM to M4R lose quality?

Both KGM and M4R are lossy formats. Re-compression may further reduce quality — choose a higher bitrate to minimize additional loss.

Will the file size change after conversion?

Converting to a lossless format (WAV) usually increases size, while converting to a lossy format (MP3, AAC) usually decreases it, depending on the chosen bitrate and sample rate.

How do I batch convert KGM to M4R?

Just drop multiple KGM files in; they are converted to M4R one by one via a queue. You can download them individually or as a single ZIP.