Preferences & Settings
Customize speech synthesis, typography, and local browser storage.
Audio & Speech Engine
Zero data cost, fast, and uses installed system voices.
Default Playback Speed1x
0.5x (Slow)1.0x (Normal)1.5x (Fast)2.0x (Double)
Reflowable Reading Appearance
Font Size18px
Line Height1.75
Browser Storage & Privacy
Locally Cached Materials
0 course documents • ~0 B stored in IndexedDB