chords·lol vs ChordSequence

chords·lol is a free browser platform for learning and referencing chords, scales, keys, progressions, and music theory. Its index contains 360 chords across 30 qualities and twelve roots, with notes, intervals, keys, and playable diagrams for guitar, piano, ukulele, bass, mandolin, and banjo. The learning library lists 107 scales, 30 keys, 30 progressions, and 26 theory guides. Nine browser tools include chord and scale finders, a transposer, ear training, a progression generator, and a metronome. The site provides 19 printable PDF charts covering chords, scales, and keys. Tools require no account or signup; the maker says there are no email gates or paywalls. Chord and scale data, audio, and PDFs may be downloaded for personal, classroom, and non-commercial use. Privacy information describes anonymous Vercel Analytics and PostHog usage data, Do Not Track support, no data sales, and no third-party advertising scripts. Terms provide no warranty of accuracy or fitness for a particular purpose.

ChordSequence is a free set of browser-based music tools for composing and exploring chord progressions. Its player performs chords selected by the user with drums, bass, piano, guitar, and synth, drawing on 548 rhythms that include pop, rock, salsa, and reggae. You can reorder chords, arrange them into sections, loop those sections, and edit individual instrument parts. The mixer offers volume, pan, mute, solo, EQ, and compression controls for each instrument, plus reverb for the overall mix. Songs can be exported as WAV audio or MIDI notes for use in a DAW. Other tools include a chord finder, transposer, key detector, Circle of Fifths, tuner, metronome, guitar and bass tabs, and a drum machine. The browser player is stated to work in Chrome, Firefox, Safari, and Edge. An Android app works offline, needs no account, and supports Android 8.0 or later; iPhone users can use the browser player. The Free plan is free, with all features, no usage limit, and WAV and MIDI export.