Click the "Select File" button above, and choose your MXMF file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert MXMF to another file type
The converter easily converts your MXMF file to various formats - free and online. No Media Player or extra software needed.
Convert a file to MXMF
The converter also works in reverse, so you can convert other Audio formats to MXMF with high quality output.
About MXMF files
MXMF (Mobile eXtensible Music Format) is a legacy audio container primarily designed for polyphonic ringtones on early 2000s feature phones, including models from Samsung and others adhering to the MIDI Manufacturers Association specifications. Unlike a standard MID file which relies on the playback device's internal synthesizer (often leading to inconsistent sound), an MXMF file encapsulates both the MIDI note data and a custom bank of instrument sounds (DLS - Downloadable Sounds). This ensured that a ringtone sounded exactly as intended, regardless of the phone's hardware limitations.
The main limitation for users today is compatibility. Because MXMF files rely on a specific synthesis engine to pair the internal DLS bank with the MIDI score, standard media players like VLC or Windows Media Player often fail to open them, or play them incorrectly (using default piano sounds instead of the custom instruments). Furthermore, this format is completely unsupported by modern smartphones (iOS and Android) and web browsers. To preserve the audio exactly as it sounded on the original device, the best approach is converting the file to a waveform format like MP3 or AAC for mobile listening, or WAV for archival purposes. If you need the musical notation for editing in a DAW like FL Studio, converting to standard MIDI is possible, though you will lose the custom instrument definitions embedded in the original file.
Use Convert.Guru to open and convert your MXMF file.
Users also converted MMF, MP3, NOKIA, SMAF and MOTBIN files.
FAQ
If you want to convert MXMF file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use Mobile XMF Maker or similar software from the "Mobile Polyphonic Ringtones" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to MXMF, try Mobile XMF Maker or another comparable tool in the "Mobile Polyphonic Ringtones" category.
The MXMF Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MXMF converter.