If you just want to play with auto-tune effect in your browser:
If you already own it or get a trial (Antares offers 14-day demos), here's how to use EFX+ effectively: auto-tune efx+ free online
: You can access the fully featured version of Auto-Tune EFX+ 10 by signing up for a 14-day free trial of Auto-Tune Unlimited . This trial includes over 20 professional vocal tools, allowing you to test the modular multi-effects rack and real-time tuning in your own projects. If you just want to play with auto-tune