The best free loudness meter. Youlean Loudness Meter helps you find the true perceived loudness of your audio and prepares it for TV or streaming services release. Join the thousands of recording studios that already use it.

deCoda can decode any song so you can learn to play it in minutes. In seconds deCoda will tell you the key, tempo, chords where the verses and choruses are and more.
Using deCoda is as simple as adding your favourite song and letting deCoda help you figure it out. Inspired and informed by those working in the music and recording industry, deCoda offers features that make learning a song more effortless than ever.
deCoda has been built by zplane. zplane technology is used to make many of the biggest hits in the world by top artist and producers, and that same know-how is used to power deCoda.