MidiYodi is an application that allows editing, examination, and playback of MIDI files, including the following rich set of features:

MIDI File Examination

• MIDI File Explorer: Scans entire folders for MIDI files and for each file displays information such as type, number of tracks, available instruments,song duration, tempo, key- and time signatures.
• Song and Tracks Overview: Displays the rolled-out contents of a MIDI file including a measure bar and all its tracks. Each track displays miniature 'notes', instrument and a volume curve. In addition meta events such as markers, tempos, time signatures and key signatures are visualized.
• Keyboard Examiner: Displays all notes for a track in a keyboard like viewer.
• Score Examiner: Displays all notes for a track in a score like viewer.
• Event Examiner: Displays all events for a track including event position (beat, time and tick), category (meta, voice or system), type (note on/off, program change etc) and value.

• Single track files (type 0) can be "trackified" and converted (type 1).
• Song can be transposed in half-tones up or down and individual tracks can be transposed in 8va's
• Tempo can be altered.
• Tracks can have their name, instrument and volume changed.
• Tracks can be removed.
• Sections of the song can be cut out.
• Any MIDI event (meta, voice or system) can be added or updated.
• Voice events can be moved from one channel to another.
• Save, Save As and Undo/Redo functionality included.

• Controls to start and pause playback in a tape recorder fashion.
• Selected sections of a song can be played in loop mode
• Quick navigation by clicking anywhere in the song or jump to the next/previous marker, tempo- , time signature- or key signature change.
• Controls to Mute or Solo any track.

• Default examiner (displayed when a track is double-clicked) selection.
• Color theme selection.
• Language selection
• MIDI Output device selection.
• Default MIDI-file to load when MidiYodi is launched
• Remembers the directory where you last opened a MIDI file.

• Jukebox (playlist) introduced to manage sets of MIDI files to be played in sequence or loop.
• Feature to save selected tracks in separate MIDI files.
• Option to convert from filetype 1 to 0 or vice versa.
• Measure width adjustment control added to Main window.
• Karaoke lyrics and Text meta information lanes added to the Main window.
• Meta information lanes added to the Score/Keyboard Examiners.
• Shown meta information lanes customizable in the Preferences window.
• Controller names prefixed with their corresponding controller number.
• Auto explore option added to MIDI File Explorer.
• Drag-n-drop added to Main window and Jukebox.
• Online help added
• Keyboard shortcuts added to all windows.
• Tempo change dialog moved to menubar
• Transposition GUI changed in menubar
• Size and positions of Main window, MIDI File Explorer and Jukebox window are saved.