frettr.io

learn the chords to virtually any song. any time. any length. for free.


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Learn Almost Any Song

Our algorithm finds all major and minor chords in any audio file, and with a capo functionality that allows you to avoid awkward fingerings, you'll be learning your favorite songs, no matter the key, in no time!

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Play Along

With embedded YouTube videos, frettr.io has full playback functionalities. You can play along with your favorite songs, pause them to get a second look at a chord shape, and even slow it down or speed it up to match your speed!

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Completely Free

We here at frettr.io believe that paywalls should not inhibit guitarists of all skillsets from accessing materials to learn any song they can dream of. So, frettr.io is absolutely free! No email or credit card necessary!