Is Free Chord Book really free?

Yes. Free Chord Book is 100% free with no sign-up required. Access 670,000+ guitar chords, tabs, and lyrics for every song you want to learn.

How do I transpose chords to a different key?

Open any song and use the transpose buttons to move every chord up or down by half-steps. Perfect for singers who need a different key or capo players.

Can I see chord diagrams while I play?

Yes. Tap any chord in a song to instantly see its interactive guitar chord diagram, including alternate fingerings and variations.

What's the difference between guitar chords and guitar tabs?

Chords show you which strings to strum together (great for rhythm playing and singing). Tabs (tablature) show you exact note-by-note fingerings, which is great for solos, riffs, and fingerpicking.

Does Free Chord Book work on mobile?

Yes. Free Chord Book is fully responsive and works on phones, tablets, and desktops. Use auto-scroll to play hands-free.

Is there a built-in guitar tuner?

Yes. Free Chord Book includes a free online guitar tuner that uses your microphone and YIN pitch detection for accurate tuning in standard and alternate tunings.

How many songs are available?

Over 670,000 songs with chords, tabs, and lyrics — covering every genre, from rock and pop to country, indie, folk, and Hebrew songs.

Is Free Chord Book a good alternative to Ultimate Guitar?

Yes. Free Chord Book is a fast, ad-free, 100% free alternative to Ultimate Guitar with interactive chord diagrams, instant transpose, auto-scroll, and a built-in tuner — no account required.

thirty seconds to mars Chords & Tabs

41 free thirty seconds to mars songs with guitar chords, tabs, and lyrics.

Browse all thirty seconds to mars guitar chords and tabs below. Every song includes interactive chord diagrams, one-click transpose, and auto-scroll lyrics. 100% free — no sign-up.

Free Chord Book hosts thousands of thirty seconds to mars chord sheets with lyrics — the same interactive format used across our library of 670,000+ songs. Use search on the home page for a specific title, explore curated collections, or start with our free guitar lessons if you are learning your first chords.

All thirty seconds to mars songs

About thirty seconds to mars guitar chords

Learn how to play your favorite thirty seconds to mars songs on guitar with free, accurate chords and tabs. Each song on Free Chord Book includes interactive chord diagrams, so you can tap any chord to see exactly how to play it. Use the built-in transpose to move any thirty seconds to mars song into your vocal range or capo position, and turn on auto-scroll to play hands-free.