Optimize learning efficiency on Udemy, Coursera, Skillshare, and edX with real-time vocal pitch preservation.
Add to Chrome — FreeSlow down technical code walkthroughs or fast speakers to 0.5x or speed up lectures to 2.0x without vocal distortion.
Runs natively via Web Audio API in local memory with zero latency or video stutter on course platforms.
Zero tracking, zero server uploads. Your study history and captured media stay entirely inside your browser.