Built to make chord changes feel effortless.
Chord Hero is a focused practice companion for guitarists who want to switch chords faster, cleaner, and with more confidence. The trainer keeps you on a tight clock while the library and song coach help you explore voicings and musical context.
Practice philosophy
Short, focused bursts build muscle memory fast. The 3-second cadence trains your hands to anticipate shapes rather than react to them.
Made for every level
Start with open chords, add spice with sus and dominant shapes, then climb into barre grips and inversions when you are ready.
License
Chord Hero is released under the GNU GPL v3.0 license. You are welcome to share and remix it, as long as derivative work remains open under GPL-3.0 terms.
Recorded audio
Guitar previews use D. Smolken's CC0 Emilyguitar recordings. Practice clicks use Joseph Sardin's CC0 studio-recorded hi-hat from BigSoundBank. Both are bundled for reliable offline playback.