Change pitch, adjust speed, and loop sections. Practice in real time, directly in your browser — from YouTube to Spotify and more.
Trusted by over 1,000,000 musicians, singers, and teachers worldwide
Browser extension for musicians
Change pitch in semitone steps on YouTube, Spotify, Apple Music, and more.
Slow down to 25% or speed up to 400% — perfect for learning riffs and solos.
Set markers, repeat difficult phrases, or jump straight to a section.
Perfect for karaoke: shift the key up or down to fit your voice.
Designed for practice and rehearsal. Learn songs, riffs & other keys faster.
No sign‑in required (Free). No browsing history collected.
Video: JuliaPlaysGroove on YouTube – support her on Patreon.
YouTube Pitch Shifter 
Spotify Speed Changer 
SoundCloud Looper 
Apple Music Pitch Shifter 
Deezer Practice Tools 
Vimeo 
Tidal 
Local MP3/MP4 Playback All plans include a 7-day free trial of Pro. Start for free, upgrade anytime.
The essential tools, free forever. No sign-in required.
Ideal for short-term projects and focused learning.
The best value for dedicated musicians and teachers.
≈ ＄34.99 /month
Save 38%
Pay once, own it forever. No recurring fees.
Price increases to $149.99 €129.99 on April 1, 2026.
Prices may include VAT where applicable. Taxes are calculated at checkout.
Yes, it is free forever. Same version you're used to. No sign-in required. No ads.
We believe that making music is for everyone. That's why the core of Transpose is a powerful, free tool for your daily practice sessions. It is our contribution to the music community, to help as many people as possible grow and enjoy playing.
An optional upgrade with a premium low-latency pitch shifter, formant control, vocal reducer, advanced looping & clips, side panel, and cloud save.
With Transpose you can easily change the key of any song — perfect for playing along on guitar, piano, or any instrument, or for singing in your range. Shift pitch in semitone steps, adjust speed, and practice in any key.
Install the extension, open a video page, then open Transpose from your browser toolbar.
If you see a 'No media' message, have no sound, or get a connection error, try refreshing the page, starting playback first, and reopening the extension. For step-by-step fixes, see the link below.
Yes — every Pro plan includes a 7-day trial. No card required and stops automatically.
Manage renewals, payment method, and invoices in the Customer Portal.
More than 1,200,000 musicians are loving it!
“Great tool for practicing, ear training and transcribing solos. Thanks for your effort.”
“The only available solution on the web to propose the pitch shifting and speed changer on YouTube and Spotify. Totally essential for all musicians who want to cover live songs or learn from tutorials.”
“So lucky to have found this! One of the best extensions for musicians! Fantastic!”
“This is amazing for my clients and has become an invaluable coaching tool for my business. You're helping make hundreds of better singers a year.”
“I spend more time with this plugin than I do with my children!”
“Incredibly useful tool for slowing down YouTube videos while learning songs. I tried out a bunch of similar plugins and this is the best out there. This has helped me become a significantly better guitarist.”
Get Classic free or start a Pro trial.
