Free online CAPX to MUSICXML converter

Music notation editors that do not open Capella project files often accept MusicXML, so converting a CAPX score makes it easier to exchange and continue editing the notation. MusicXML is also useful for archiving a score in a format supported by multiple notation programs.

What the CAPX format is

CAPX is the native score format used by capella, a music notation program. It stores a notated score in a compressed XML-based file and is commonly encountered when someone shares a capella project rather than an interchange file.

What the MUSICXML format is

MusicXML is a notation interchange format for transferring scores between music-writing applications. It represents musical content such as notes, staves, rhythms, lyrics, and many markings; it is not an audio format. Its broad application support makes it useful for editing a score in another notation program or sharing it across different software.

How to convert CAPX to MUSICXML

Online on 101convert.com

1. Open the CAPX-to-MusicXML converter on 101convert.com and upload the score. The page displays the per-file size limit.
2. Start the conversion. The conversion runs on the site’s server with MuseScore, and you can submit several files as a batch.
3. Download the resulting MusicXML file or files.

Offline with desktop software

MuseScore is free and open source, and runs on Windows, macOS, and Linux. Open the CAPX file with File → Open, then use File → Export and choose MusicXML as the export format. Save the output with a .musicxml or .xml extension.

capella can export its own score directly. Open the file and choose File → Export → MusicXML, then select the destination and save. Menu wording can vary between capella versions.

Quality and compatibility

MusicXML transfers notation, but page layout and program-specific details may change between applications. After conversion, check the score in the target program, especially voices, tuplets, lyrics, articulations, repeats, and page breaks.